Home / 1,098,522.20-1,515,457.14-663,105.08

Finding the Fourth Proportional to 1,098,522.20, 1,515,457.14 and 663,105.08

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Solution

The fourth proportional to 1,098,522.20, 1,515,457.14 and 663,105.08 is: 914,781.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,098,522.20 : 1,515,457.14 = 663,105.08 : x
  2. Step 2: Convert to fraction form
    1,098,522.20/1,515,457.14 = 663,105.08/x
  3. Step 3: Cross multiply
    1,098,522.20x = 1,515,457.14 × 663,105.08
  4. Step 4: Simplify right side
    1,098,522.20x = 1,004,907,328,056.27
  5. Step 5: Solve for x
    x = 1,004,907,328,056.27/1,098,522.20
  6. Step 6: Final answer
    x = 914,781.08

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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.