Home / 716,088.36-1,074,132.54-340,974.12

Finding the Fourth Proportional to 716,088.36, 1,074,132.54 and 340,974.12

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Solution

The fourth proportional to 716,088.36, 1,074,132.54 and 340,974.12 is: 511,461.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,088.36 : 1,074,132.54 = 340,974.12 : x
  2. Step 2: Convert to fraction form
    716,088.36/1,074,132.54 = 340,974.12/x
  3. Step 3: Cross multiply
    716,088.36x = 1,074,132.54 × 340,974.12
  4. Step 4: Simplify right side
    716,088.36x = 366,251,397,589.87
  5. Step 5: Solve for x
    x = 366,251,397,589.87/716,088.36
  6. Step 6: Final answer
    x = 511,461.18

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Double scale
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Similar ratio
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1.5x scale

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.