Home / 377,534.16-521,000.82-207,772.20

Finding the Fourth Proportional to 377,534.16, 521,000.82 and 207,772.20

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Solution

The fourth proportional to 377,534.16, 521,000.82 and 207,772.20 is: 286,727.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,534.16 : 521,000.82 = 207,772.20 : x
  2. Step 2: Convert to fraction form
    377,534.16/521,000.82 = 207,772.20/x
  3. Step 3: Cross multiply
    377,534.16x = 521,000.82 × 207,772.20
  4. Step 4: Simplify right side
    377,534.16x = 108,249,486,573.20
  5. Step 5: Solve for x
    x = 108,249,486,573.20/377,534.16
  6. Step 6: Final answer
    x = 286,727.66

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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.