Home / 716,077.92-1,074,116.80-340,963.68

Finding the Fourth Proportional to 716,077.92, 1,074,116.80 and 340,963.68

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Solution

The fourth proportional to 716,077.92, 1,074,116.80 and 340,963.68 is: 511,445.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,077.92 : 1,074,116.80 = 340,963.68 : x
  2. Step 2: Convert to fraction form
    716,077.92/1,074,116.80 = 340,963.68/x
  3. Step 3: Cross multiply
    716,077.92x = 1,074,116.80 × 340,963.68
  4. Step 4: Simplify right side
    716,077.92x = 366,234,816,877.82
  5. Step 5: Solve for x
    x = 366,234,816,877.82/716,077.92
  6. Step 6: Final answer
    x = 511,445.48

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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.