Home / 1,247,513.52-1,871,416.56-437,650.32

Finding the Fourth Proportional to 1,247,513.52, 1,871,416.56 and 437,650.32

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Solution

The fourth proportional to 1,247,513.52, 1,871,416.56 and 437,650.32 is: 656,526.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,247,513.52 : 1,871,416.56 = 437,650.32 : x
  2. Step 2: Convert to fraction form
    1,247,513.52/1,871,416.56 = 437,650.32/x
  3. Step 3: Cross multiply
    1,247,513.52x = 1,871,416.56 × 437,650.32
  4. Step 4: Simplify right side
    1,247,513.52x = 819,026,056,337.30
  5. Step 5: Solve for x
    x = 819,026,056,337.30/1,247,513.52
  6. Step 6: Final answer
    x = 656,526.80

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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.