Home / 997,899.05-1,377,101.25-539,013.62

Finding the Fourth Proportional to 997,899.05, 1,377,101.25 and 539,013.62

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Solution

The fourth proportional to 997,899.05, 1,377,101.25 and 539,013.62 is: 743,839.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    997,899.05 : 1,377,101.25 = 539,013.62 : x
  2. Step 2: Convert to fraction form
    997,899.05/1,377,101.25 = 539,013.62/x
  3. Step 3: Cross multiply
    997,899.05x = 1,377,101.25 × 539,013.62
  4. Step 4: Simplify right side
    997,899.05x = 742,276,329,869.03
  5. Step 5: Solve for x
    x = 742,276,329,869.03/997,899.05
  6. Step 6: Final answer
    x = 743,839.10

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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.