Home / 437,864.40-656,824.30-185,111.61

Finding the Fourth Proportional to 437,864.40, 656,824.30 and 185,111.61

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Solution

The fourth proportional to 437,864.40, 656,824.30 and 185,111.61 is: 277,679.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    437,864.40 : 656,824.30 = 185,111.61 : x
  2. Step 2: Convert to fraction form
    437,864.40/656,824.30 = 185,111.61/x
  3. Step 3: Cross multiply
    437,864.40x = 656,824.30 × 185,111.61
  4. Step 4: Simplify right side
    437,864.40x = 121,585,803,660.12
  5. Step 5: Solve for x
    x = 121,585,803,660.12/437,864.40
  6. Step 6: Final answer
    x = 277,679.13

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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.