Home / 723,567.70-998,452.29-401,272.18

Finding the Fourth Proportional to 723,567.70, 998,452.29 and 401,272.18

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Solution

The fourth proportional to 723,567.70, 998,452.29 and 401,272.18 is: 553,716.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,567.70 : 998,452.29 = 401,272.18 : x
  2. Step 2: Convert to fraction form
    723,567.70/998,452.29 = 401,272.18/x
  3. Step 3: Cross multiply
    723,567.70x = 998,452.29 × 401,272.18
  4. Step 4: Simplify right side
    723,567.70x = 400,651,127,034.29
  5. Step 5: Solve for x
    x = 400,651,127,034.29/723,567.70
  6. Step 6: Final answer
    x = 553,716.16

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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.