Home / 541,232.60-811,921.80-186,355.40

Finding the Fourth Proportional to 541,232.60, 811,921.80 and 186,355.40

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Solution

The fourth proportional to 541,232.60, 811,921.80 and 186,355.40 is: 279,558.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    541,232.60 : 811,921.80 = 186,355.40 : x
  2. Step 2: Convert to fraction form
    541,232.60/811,921.80 = 186,355.40/x
  3. Step 3: Cross multiply
    541,232.60x = 811,921.80 × 186,355.40
  4. Step 4: Simplify right side
    541,232.60x = 151,306,011,807.72
  5. Step 5: Solve for x
    x = 151,306,011,807.72/541,232.60
  6. Step 6: Final answer
    x = 279,558.20

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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.