Home / 515,291.86-772,926.18-178,312.18

Finding the Fourth Proportional to 515,291.86, 772,926.18 and 178,312.18

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Solution

The fourth proportional to 515,291.86, 772,926.18 and 178,312.18 is: 267,464.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    515,291.86 : 772,926.18 = 178,312.18 : x
  2. Step 2: Convert to fraction form
    515,291.86/772,926.18 = 178,312.18/x
  3. Step 3: Cross multiply
    515,291.86x = 772,926.18 × 178,312.18
  4. Step 4: Simplify right side
    515,291.86x = 137,822,151,243.31
  5. Step 5: Solve for x
    x = 137,822,151,243.31/515,291.86
  6. Step 6: Final answer
    x = 267,464.25

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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.