Home / 629,551.66-868,754.28-357,618.76

Finding the Fourth Proportional to 629,551.66, 868,754.28 and 357,618.76

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Solution

The fourth proportional to 629,551.66, 868,754.28 and 357,618.76 is: 493,498.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,551.66 : 868,754.28 = 357,618.76 : x
  2. Step 2: Convert to fraction form
    629,551.66/868,754.28 = 357,618.76/x
  3. Step 3: Cross multiply
    629,551.66x = 868,754.28 × 357,618.76
  4. Step 4: Simplify right side
    629,551.66x = 310,682,828,358.29
  5. Step 5: Solve for x
    x = 310,682,828,358.29/629,551.66
  6. Step 6: Final answer
    x = 493,498.55

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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.