Home / 840,717.81-1,160,180.91-458,750.97

Finding the Fourth Proportional to 840,717.81, 1,160,180.91 and 458,750.97

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Solution

The fourth proportional to 840,717.81, 1,160,180.91 and 458,750.97 is: 633,071.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    840,717.81 : 1,160,180.91 = 458,750.97 : x
  2. Step 2: Convert to fraction form
    840,717.81/1,160,180.91 = 458,750.97/x
  3. Step 3: Cross multiply
    840,717.81x = 1,160,180.91 × 458,750.97
  4. Step 4: Simplify right side
    840,717.81x = 532,234,117,837.98
  5. Step 5: Solve for x
    x = 532,234,117,837.98/840,717.81
  6. Step 6: Final answer
    x = 633,071.06

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1.5x scale

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.