Home / 636,623.64-878,565.69-350,170.38

Finding the Fourth Proportional to 636,623.64, 878,565.69 and 350,170.38

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Solution

The fourth proportional to 636,623.64, 878,565.69 and 350,170.38 is: 483,248.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    636,623.64 : 878,565.69 = 350,170.38 : x
  2. Step 2: Convert to fraction form
    636,623.64/878,565.69 = 350,170.38/x
  3. Step 3: Cross multiply
    636,623.64x = 878,565.69 × 350,170.38
  4. Step 4: Simplify right side
    636,623.64x = 307,647,681,522.26
  5. Step 5: Solve for x
    x = 307,647,681,522.26/636,623.64
  6. Step 6: Final answer
    x = 483,248.91

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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.