Home / 377,536.75-521,000.85-207,767.23

Finding the Fourth Proportional to 377,536.75, 521,000.85 and 207,767.23

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Solution

The fourth proportional to 377,536.75, 521,000.85 and 207,767.23 is: 286,718.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,536.75 : 521,000.85 = 207,767.23 : x
  2. Step 2: Convert to fraction form
    377,536.75/521,000.85 = 207,767.23/x
  3. Step 3: Cross multiply
    377,536.75x = 521,000.85 × 207,767.23
  4. Step 4: Simplify right side
    377,536.75x = 108,246,903,432.15
  5. Step 5: Solve for x
    x = 108,246,903,432.15/377,536.75
  6. Step 6: Final answer
    x = 286,718.85

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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.