Home / 1,425,734.46-2,133,505.98-1,238,402.12

Finding the Fourth Proportional to 1,425,734.46, 2,133,505.98 and 1,238,402.12

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Solution

The fourth proportional to 1,425,734.46, 2,133,505.98 and 1,238,402.12 is: 1,853,177.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,425,734.46 : 2,133,505.98 = 1,238,402.12 : x
  2. Step 2: Convert to fraction form
    1,425,734.46/2,133,505.98 = 1,238,402.12/x
  3. Step 3: Cross multiply
    1,425,734.46x = 2,133,505.98 × 1,238,402.12
  4. Step 4: Simplify right side
    1,425,734.46x = 2,642,138,317,997.15
  5. Step 5: Solve for x
    x = 2,642,138,317,997.15/1,425,734.46
  6. Step 6: Final answer
    x = 1,853,177.01

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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.