Home / 1,109,543.22-1,531,154.66-619,520.31

Finding the Fourth Proportional to 1,109,543.22, 1,531,154.66 and 619,520.31

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Solution

The fourth proportional to 1,109,543.22, 1,531,154.66 and 619,520.31 is: 854,929.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,543.22 : 1,531,154.66 = 619,520.31 : x
  2. Step 2: Convert to fraction form
    1,109,543.22/1,531,154.66 = 619,520.31/x
  3. Step 3: Cross multiply
    1,109,543.22x = 1,531,154.66 × 619,520.31
  4. Step 4: Simplify right side
    1,109,543.22x = 948,581,406,523.54
  5. Step 5: Solve for x
    x = 948,581,406,523.54/1,109,543.22
  6. Step 6: Final answer
    x = 854,929.66

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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.