Home / 714,315.13-985,799.24-472,177.78

Finding the Fourth Proportional to 714,315.13, 985,799.24 and 472,177.78

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Solution

The fourth proportional to 714,315.13, 985,799.24 and 472,177.78 is: 651,634.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,315.13 : 985,799.24 = 472,177.78 : x
  2. Step 2: Convert to fraction form
    714,315.13/985,799.24 = 472,177.78/x
  3. Step 3: Cross multiply
    714,315.13x = 985,799.24 × 472,177.78
  4. Step 4: Simplify right side
    714,315.13x = 465,472,496,668.89
  5. Step 5: Solve for x
    x = 465,472,496,668.89/714,315.13
  6. Step 6: Final answer
    x = 651,634.66

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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.