Home / 926,294.20-1,389,441.30-453,902.20

Finding the Fourth Proportional to 926,294.20, 1,389,441.30 and 453,902.20

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Solution

The fourth proportional to 926,294.20, 1,389,441.30 and 453,902.20 is: 680,853.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,294.20 : 1,389,441.30 = 453,902.20 : x
  2. Step 2: Convert to fraction form
    926,294.20/1,389,441.30 = 453,902.20/x
  3. Step 3: Cross multiply
    926,294.20x = 1,389,441.30 × 453,902.20
  4. Step 4: Simplify right side
    926,294.20x = 630,670,462,840.86
  5. Step 5: Solve for x
    x = 630,670,462,840.86/926,294.20
  6. Step 6: Final answer
    x = 680,853.30

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Half scale
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Double scale
Find fourth proportional to 926,295.20, 1,389,442.80 and 453,903.20
Similar ratio
Find fourth proportional to 1,389,441.30, 2,084,161.95 and 680,853.30
1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.