Home / 733,747.68-1,012,142.76-461,384.40

Finding the Fourth Proportional to 733,747.68, 1,012,142.76 and 461,384.40

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Solution

The fourth proportional to 733,747.68, 1,012,142.76 and 461,384.40 is: 636,440.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,747.68 : 1,012,142.76 = 461,384.40 : x
  2. Step 2: Convert to fraction form
    733,747.68/1,012,142.76 = 461,384.40/x
  3. Step 3: Cross multiply
    733,747.68x = 1,012,142.76 × 461,384.40
  4. Step 4: Simplify right side
    733,747.68x = 466,986,880,036.94
  5. Step 5: Solve for x
    x = 466,986,880,036.94/733,747.68
  6. Step 6: Final answer
    x = 636,440.69

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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 (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.