Home / 753,167.27-1,129,760.04-220,699.10

Finding the Fourth Proportional to 753,167.27, 1,129,760.04 and 220,699.10

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Solution

The fourth proportional to 753,167.27, 1,129,760.04 and 220,699.10 is: 331,051.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    753,167.27 : 1,129,760.04 = 220,699.10 : x
  2. Step 2: Convert to fraction form
    753,167.27/1,129,760.04 = 220,699.10/x
  3. Step 3: Cross multiply
    753,167.27x = 1,129,760.04 × 220,699.10
  4. Step 4: Simplify right side
    753,167.27x = 249,337,018,395.16
  5. Step 5: Solve for x
    x = 249,337,018,395.16/753,167.27
  6. Step 6: Final answer
    x = 331,051.32

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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.