Home / 747,187.92-1,031,077.08-424,976.40

Finding the Fourth Proportional to 747,187.92, 1,031,077.08 and 424,976.40

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Solution

The fourth proportional to 747,187.92, 1,031,077.08 and 424,976.40 is: 586,443.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,187.92 : 1,031,077.08 = 424,976.40 : x
  2. Step 2: Convert to fraction form
    747,187.92/1,031,077.08 = 424,976.40/x
  3. Step 3: Cross multiply
    747,187.92x = 1,031,077.08 × 424,976.40
  4. Step 4: Simplify right side
    747,187.92x = 438,183,425,580.91
  5. Step 5: Solve for x
    x = 438,183,425,580.91/747,187.92
  6. Step 6: Final answer
    x = 586,443.40

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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.