Home / 683,669.13-943,414.92-377,742.17

Finding the Fourth Proportional to 683,669.13, 943,414.92 and 377,742.17

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Solution

The fourth proportional to 683,669.13, 943,414.92 and 377,742.17 is: 521,257.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,669.13 : 943,414.92 = 377,742.17 : x
  2. Step 2: Convert to fraction form
    683,669.13/943,414.92 = 377,742.17/x
  3. Step 3: Cross multiply
    683,669.13x = 943,414.92 × 377,742.17
  4. Step 4: Simplify right side
    683,669.13x = 356,367,594,374.10
  5. Step 5: Solve for x
    x = 356,367,594,374.10/683,669.13
  6. Step 6: Final answer
    x = 521,257.40

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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.