Home / 480,979.22-721,567.23-165,395.14

Finding the Fourth Proportional to 480,979.22, 721,567.23 and 165,395.14

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Solution

The fourth proportional to 480,979.22, 721,567.23 and 165,395.14 is: 248,126.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,979.22 : 721,567.23 = 165,395.14 : x
  2. Step 2: Convert to fraction form
    480,979.22/721,567.23 = 165,395.14/x
  3. Step 3: Cross multiply
    480,979.22x = 721,567.23 × 165,395.14
  4. Step 4: Simplify right side
    480,979.22x = 119,343,713,025.26
  5. Step 5: Solve for x
    x = 119,343,713,025.26/480,979.22
  6. Step 6: Final answer
    x = 248,126.55

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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.