Home / 716,087.86-1,074,131.79-340,973.62

Finding the Fourth Proportional to 716,087.86, 1,074,131.79 and 340,973.62

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Solution

The fourth proportional to 716,087.86, 1,074,131.79 and 340,973.62 is: 511,460.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,087.86 : 1,074,131.79 = 340,973.62 : x
  2. Step 2: Convert to fraction form
    716,087.86/1,074,131.79 = 340,973.62/x
  3. Step 3: Cross multiply
    716,087.86x = 1,074,131.79 × 340,973.62
  4. Step 4: Simplify right side
    716,087.86x = 366,250,604,793.38
  5. Step 5: Solve for x
    x = 366,250,604,793.38/716,087.86
  6. Step 6: Final answer
    x = 511,460.43

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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.