Home / 747,060.64-1,030,992.40-424,800.72

Finding the Fourth Proportional to 747,060.64, 1,030,992.40 and 424,800.72

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Solution

The fourth proportional to 747,060.64, 1,030,992.40 and 424,800.72 is: 586,252.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    747,060.64 : 1,030,992.40 = 424,800.72 : x
  2. Step 2: Convert to fraction form
    747,060.64/1,030,992.40 = 424,800.72/x
  3. Step 3: Cross multiply
    747,060.64x = 1,030,992.40 × 424,800.72
  4. Step 4: Simplify right side
    747,060.64x = 437,966,313,834.53
  5. Step 5: Solve for x
    x = 437,966,313,834.53/747,060.64
  6. Step 6: Final answer
    x = 586,252.70

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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.