Home / 1,015,123.52-1,400,236.26-653,018.96

Finding the Fourth Proportional to 1,015,123.52, 1,400,236.26 and 653,018.96

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Solution

The fourth proportional to 1,015,123.52, 1,400,236.26 and 653,018.96 is: 900,758.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,015,123.52 : 1,400,236.26 = 653,018.96 : x
  2. Step 2: Convert to fraction form
    1,015,123.52/1,400,236.26 = 653,018.96/x
  3. Step 3: Cross multiply
    1,015,123.52x = 1,400,236.26 × 653,018.96
  4. Step 4: Simplify right side
    1,015,123.52x = 914,380,826,259.49
  5. Step 5: Solve for x
    x = 914,380,826,259.49/1,015,123.52
  6. Step 6: Final answer
    x = 900,758.19

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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.