Home / 926,237.70-1,389,356.55-453,845.70

Finding the Fourth Proportional to 926,237.70, 1,389,356.55 and 453,845.70

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Solution

The fourth proportional to 926,237.70, 1,389,356.55 and 453,845.70 is: 680,768.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,237.70 : 1,389,356.55 = 453,845.70 : x
  2. Step 2: Convert to fraction form
    926,237.70/1,389,356.55 = 453,845.70/x
  3. Step 3: Cross multiply
    926,237.70x = 1,389,356.55 × 453,845.70
  4. Step 4: Simplify right side
    926,237.70x = 630,553,495,984.34
  5. Step 5: Solve for x
    x = 630,553,495,984.34/926,237.70
  6. Step 6: Final answer
    x = 680,768.55

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Double scale
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Similar ratio
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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.