Home / 1,142,190.52-1,576,023.12-651,936.20

Finding the Fourth Proportional to 1,142,190.52, 1,576,023.12 and 651,936.20

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Solution

The fourth proportional to 1,142,190.52, 1,576,023.12 and 651,936.20 is: 899,557.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,142,190.52 : 1,576,023.12 = 651,936.20 : x
  2. Step 2: Convert to fraction form
    1,142,190.52/1,576,023.12 = 651,936.20/x
  3. Step 3: Cross multiply
    1,142,190.52x = 1,576,023.12 × 651,936.20
  4. Step 4: Simplify right side
    1,142,190.52x = 1,027,466,516,084.83
  5. Step 5: Solve for x
    x = 1,027,466,516,084.83/1,142,190.52
  6. Step 6: Final answer
    x = 899,557.91

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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.