Home / 1,082,785.89-1,627,123.14-577,703.70

Finding the Fourth Proportional to 1,082,785.89, 1,627,123.14 and 577,703.70

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Solution

The fourth proportional to 1,082,785.89, 1,627,123.14 and 577,703.70 is: 868,126.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,082,785.89 : 1,627,123.14 = 577,703.70 : x
  2. Step 2: Convert to fraction form
    1,082,785.89/1,627,123.14 = 577,703.70/x
  3. Step 3: Cross multiply
    1,082,785.89x = 1,627,123.14 × 577,703.70
  4. Step 4: Simplify right side
    1,082,785.89x = 939,995,058,333.62
  5. Step 5: Solve for x
    x = 939,995,058,333.62/1,082,785.89
  6. Step 6: Final answer
    x = 868,126.44

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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.