Home / 736,752.34-1,105,128.78-331,471.30

Finding the Fourth Proportional to 736,752.34, 1,105,128.78 and 331,471.30

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Solution

The fourth proportional to 736,752.34, 1,105,128.78 and 331,471.30 is: 497,207.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    736,752.34 : 1,105,128.78 = 331,471.30 : x
  2. Step 2: Convert to fraction form
    736,752.34/1,105,128.78 = 331,471.30/x
  3. Step 3: Cross multiply
    736,752.34x = 1,105,128.78 × 331,471.30
  4. Step 4: Simplify right side
    736,752.34x = 366,318,473,374.01
  5. Step 5: Solve for x
    x = 366,318,473,374.01/736,752.34
  6. Step 6: Final answer
    x = 497,207.07

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Double scale
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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.