Home / 541,248.60-811,945.80-186,371.40

Finding the Fourth Proportional to 541,248.60, 811,945.80 and 186,371.40

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Solution

The fourth proportional to 541,248.60, 811,945.80 and 186,371.40 is: 279,582.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,248.60 : 811,945.80 = 186,371.40 : x
  2. Step 2: Convert to fraction form
    541,248.60/811,945.80 = 186,371.40/x
  3. Step 3: Cross multiply
    541,248.60x = 811,945.80 × 186,371.40
  4. Step 4: Simplify right side
    541,248.60x = 151,323,475,470.12
  5. Step 5: Solve for x
    x = 151,323,475,470.12/541,248.60
  6. Step 6: Final answer
    x = 279,582.20

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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.