Home / 1,192,125.28-1,645,100.08-655,581.28

Finding the Fourth Proportional to 1,192,125.28, 1,645,100.08 and 655,581.28

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Solution

The fourth proportional to 1,192,125.28, 1,645,100.08 and 655,581.28 is: 904,684.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,125.28 : 1,645,100.08 = 655,581.28 : x
  2. Step 2: Convert to fraction form
    1,192,125.28/1,645,100.08 = 655,581.28/x
  3. Step 3: Cross multiply
    1,192,125.28x = 1,645,100.08 × 655,581.28
  4. Step 4: Simplify right side
    1,192,125.28x = 1,078,496,816,174.50
  5. Step 5: Solve for x
    x = 1,078,496,816,174.50/1,192,125.28
  6. Step 6: Final answer
    x = 904,684.13

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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.