Home / 401,126.24-552,387.60-375,483.20

Finding the Fourth Proportional to 401,126.24, 552,387.60 and 375,483.20

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Solution

The fourth proportional to 401,126.24, 552,387.60 and 375,483.20 is: 517,074.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,126.24 : 552,387.60 = 375,483.20 : x
  2. Step 2: Convert to fraction form
    401,126.24/552,387.60 = 375,483.20/x
  3. Step 3: Cross multiply
    401,126.24x = 552,387.60 × 375,483.20
  4. Step 4: Simplify right side
    401,126.24x = 207,412,260,926.38
  5. Step 5: Solve for x
    x = 207,412,260,926.38/401,126.24
  6. Step 6: Final answer
    x = 517,074.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.