Home / 377,675.20-521,206.64-207,925.12

Finding the Fourth Proportional to 377,675.20, 521,206.64 and 207,925.12

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Solution

The fourth proportional to 377,675.20, 521,206.64 and 207,925.12 is: 286,944.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    377,675.20 : 521,206.64 = 207,925.12 : x
  2. Step 2: Convert to fraction form
    377,675.20/521,206.64 = 207,925.12/x
  3. Step 3: Cross multiply
    377,675.20x = 521,206.64 × 207,925.12
  4. Step 4: Simplify right side
    377,675.20x = 108,371,953,166.80
  5. Step 5: Solve for x
    x = 108,371,953,166.80/377,675.20
  6. Step 6: Final answer
    x = 286,944.85

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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.