Home / 692,275.18-955,352.20-406,001.74

Finding the Fourth Proportional to 692,275.18, 955,352.20 and 406,001.74

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Solution

The fourth proportional to 692,275.18, 955,352.20 and 406,001.74 is: 560,289.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,275.18 : 955,352.20 = 406,001.74 : x
  2. Step 2: Convert to fraction form
    692,275.18/955,352.20 = 406,001.74/x
  3. Step 3: Cross multiply
    692,275.18x = 955,352.20 × 406,001.74
  4. Step 4: Simplify right side
    692,275.18x = 387,874,655,512.83
  5. Step 5: Solve for x
    x = 387,874,655,512.83/692,275.18
  6. Step 6: Final answer
    x = 560,289.70

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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.