Home / 1,191,976-1,644,926.90-655,432

Finding the Fourth Proportional to 1,191,976, 1,644,926.90 and 655,432

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Solution

The fourth proportional to 1,191,976, 1,644,926.90 and 655,432 is: 904,496.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,191,976 : 1,644,926.90 = 655,432 : x
  2. Step 2: Convert to fraction form
    1,191,976/1,644,926.90 = 655,432/x
  3. Step 3: Cross multiply
    1,191,976x = 1,644,926.90 × 655,432
  4. Step 4: Simplify right side
    1,191,976x = 1,078,137,727,920.80
  5. Step 5: Solve for x
    x = 1,078,137,727,920.80/1,191,976
  6. Step 6: Final answer
    x = 904,496.17

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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.