Home / 942,117.60-1,413,781.20-521,695.20

Finding the Fourth Proportional to 942,117.60, 1,413,781.20 and 521,695.20

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Solution

The fourth proportional to 942,117.60, 1,413,781.20 and 521,695.20 is: 782,877.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    942,117.60 : 1,413,781.20 = 521,695.20 : x
  2. Step 2: Convert to fraction form
    942,117.60/1,413,781.20 = 521,695.20/x
  3. Step 3: Cross multiply
    942,117.60x = 1,413,781.20 × 521,695.20
  4. Step 4: Simplify right side
    942,117.60x = 737,562,865,890.24
  5. Step 5: Solve for x
    x = 737,562,865,890.24/942,117.60
  6. Step 6: Final answer
    x = 782,877.71

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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.