Home / 926,231.70-1,389,347.55-453,839.70

Finding the Fourth Proportional to 926,231.70, 1,389,347.55 and 453,839.70

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Solution

The fourth proportional to 926,231.70, 1,389,347.55 and 453,839.70 is: 680,759.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    926,231.70 : 1,389,347.55 = 453,839.70 : x
  2. Step 2: Convert to fraction form
    926,231.70/1,389,347.55 = 453,839.70/x
  3. Step 3: Cross multiply
    926,231.70x = 1,389,347.55 × 453,839.70
  4. Step 4: Simplify right side
    926,231.70x = 630,541,075,287.74
  5. Step 5: Solve for x
    x = 630,541,075,287.74/926,231.70
  6. Step 6: Final answer
    x = 680,759.55

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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.