Home / 749,270.10-1,123,905.15-465,834.90

Finding the Fourth Proportional to 749,270.10, 1,123,905.15 and 465,834.90

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Solution

The fourth proportional to 749,270.10, 1,123,905.15 and 465,834.90 is: 698,752.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    749,270.10 : 1,123,905.15 = 465,834.90 : x
  2. Step 2: Convert to fraction form
    749,270.10/1,123,905.15 = 465,834.90/x
  3. Step 3: Cross multiply
    749,270.10x = 1,123,905.15 × 465,834.90
  4. Step 4: Simplify right side
    749,270.10x = 523,554,243,159.74
  5. Step 5: Solve for x
    x = 523,554,243,159.74/749,270.10
  6. Step 6: Final answer
    x = 698,752.35

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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.