Home / 1,247,862.30-1,871,793.45-1,114,892.70

Finding the Fourth Proportional to 1,247,862.30, 1,871,793.45 and 1,114,892.70

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Solution

The fourth proportional to 1,247,862.30, 1,871,793.45 and 1,114,892.70 is: 1,672,339.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,862.30 : 1,871,793.45 = 1,114,892.70 : x
  2. Step 2: Convert to fraction form
    1,247,862.30/1,871,793.45 = 1,114,892.70/x
  3. Step 3: Cross multiply
    1,247,862.30x = 1,871,793.45 × 1,114,892.70
  4. Step 4: Simplify right side
    1,247,862.30x = 2,086,848,853,312.82
  5. Step 5: Solve for x
    x = 2,086,848,853,312.82/1,247,862.30
  6. Step 6: Final answer
    x = 1,672,339.05

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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.