Home / 747,081.61-1,030,967.85-424,791.70

Finding the Fourth Proportional to 747,081.61, 1,030,967.85 and 424,791.70

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Solution

The fourth proportional to 747,081.61, 1,030,967.85 and 424,791.70 is: 586,209.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,081.61 : 1,030,967.85 = 424,791.70 : x
  2. Step 2: Convert to fraction form
    747,081.61/1,030,967.85 = 424,791.70/x
  3. Step 3: Cross multiply
    747,081.61x = 1,030,967.85 × 424,791.70
  4. Step 4: Simplify right side
    747,081.61x = 437,946,585,646.85
  5. Step 5: Solve for x
    x = 437,946,585,646.85/747,081.61
  6. Step 6: Final answer
    x = 586,209.83

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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.