Home / 377,536.25-521,000.10-207,770.38

Finding the Fourth Proportional to 377,536.25, 521,000.10 and 207,770.38

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Solution

The fourth proportional to 377,536.25, 521,000.10 and 207,770.38 is: 286,723.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,536.25 : 521,000.10 = 207,770.38 : x
  2. Step 2: Convert to fraction form
    377,536.25/521,000.10 = 207,770.38/x
  3. Step 3: Cross multiply
    377,536.25x = 521,000.10 × 207,770.38
  4. Step 4: Simplify right side
    377,536.25x = 108,248,387,454.54
  5. Step 5: Solve for x
    x = 108,248,387,454.54/377,536.25
  6. Step 6: Final answer
    x = 286,723.16

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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.