Home / 1,154,081.10-1,731,121.65-656,417.10

Finding the Fourth Proportional to 1,154,081.10, 1,731,121.65 and 656,417.10

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Solution

The fourth proportional to 1,154,081.10, 1,731,121.65 and 656,417.10 is: 984,625.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,081.10 : 1,731,121.65 = 656,417.10 : x
  2. Step 2: Convert to fraction form
    1,154,081.10/1,731,121.65 = 656,417.10/x
  3. Step 3: Cross multiply
    1,154,081.10x = 1,731,121.65 × 656,417.10
  4. Step 4: Simplify right side
    1,154,081.10x = 1,136,337,853,240.21
  5. Step 5: Solve for x
    x = 1,136,337,853,240.21/1,154,081.10
  6. Step 6: Final answer
    x = 984,625.65

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.