Home / 418,562.40-627,829.72-181,905.36

Finding the Fourth Proportional to 418,562.40, 627,829.72 and 181,905.36

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Solution

The fourth proportional to 418,562.40, 627,829.72 and 181,905.36 is: 272,852.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    418,562.40 : 627,829.72 = 181,905.36 : x
  2. Step 2: Convert to fraction form
    418,562.40/627,829.72 = 181,905.36/x
  3. Step 3: Cross multiply
    418,562.40x = 627,829.72 × 181,905.36
  4. Step 4: Simplify right side
    418,562.40x = 114,205,591,235.30
  5. Step 5: Solve for x
    x = 114,205,591,235.30/418,562.40
  6. Step 6: Final answer
    x = 272,852.01

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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.