Home / 716,089.86-1,074,134.79-340,975.62

Finding the Fourth Proportional to 716,089.86, 1,074,134.79 and 340,975.62

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Solution

The fourth proportional to 716,089.86, 1,074,134.79 and 340,975.62 is: 511,463.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,089.86 : 1,074,134.79 = 340,975.62 : x
  2. Step 2: Convert to fraction form
    716,089.86/1,074,134.79 = 340,975.62/x
  3. Step 3: Cross multiply
    716,089.86x = 1,074,134.79 × 340,975.62
  4. Step 4: Simplify right side
    716,089.86x = 366,253,775,983.82
  5. Step 5: Solve for x
    x = 366,253,775,983.82/716,089.86
  6. Step 6: Final answer
    x = 511,463.43

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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.