Home / 1,513,031.11-2,088,108.03-868,575.87

Finding the Fourth Proportional to 1,513,031.11, 2,088,108.03 and 868,575.87

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Solution

The fourth proportional to 1,513,031.11, 2,088,108.03 and 868,575.87 is: 1,198,706.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,513,031.11 : 2,088,108.03 = 868,575.87 : x
  2. Step 2: Convert to fraction form
    1,513,031.11/2,088,108.03 = 868,575.87/x
  3. Step 3: Cross multiply
    1,513,031.11x = 2,088,108.03 × 868,575.87
  4. Step 4: Simplify right side
    1,513,031.11x = 1,813,680,241,419.53
  5. Step 5: Solve for x
    x = 1,813,680,241,419.53/1,513,031.11
  6. Step 6: Final answer
    x = 1,198,706.51

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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.