Home / 716,070.42-1,074,105.57-340,956.18

Finding the Fourth Proportional to 716,070.42, 1,074,105.57 and 340,956.18

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Solution

The fourth proportional to 716,070.42, 1,074,105.57 and 340,956.18 is: 511,434.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,070.42 : 1,074,105.57 = 340,956.18 : x
  2. Step 2: Convert to fraction form
    716,070.42/1,074,105.57 = 340,956.18/x
  3. Step 3: Cross multiply
    716,070.42x = 1,074,105.57 × 340,956.18
  4. Step 4: Simplify right side
    716,070.42x = 366,222,932,063.92
  5. Step 5: Solve for x
    x = 366,222,932,063.92/716,070.42
  6. Step 6: Final answer
    x = 511,434.24

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Double scale
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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.