Home / 814,897.36-1,224,338.76-769,577.20

Finding the Fourth Proportional to 814,897.36, 1,224,338.76 and 769,577.20

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Solution

The fourth proportional to 814,897.36, 1,224,338.76 and 769,577.20 is: 1,156,247.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,897.36 : 1,224,338.76 = 769,577.20 : x
  2. Step 2: Convert to fraction form
    814,897.36/1,224,338.76 = 769,577.20/x
  3. Step 3: Cross multiply
    814,897.36x = 1,224,338.76 × 769,577.20
  4. Step 4: Simplify right side
    814,897.36x = 942,223,194,772.27
  5. Step 5: Solve for x
    x = 942,223,194,772.27/814,897.36
  6. Step 6: Final answer
    x = 1,156,247.70

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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.