Home / 480,726.64-721,038.06-160,842.28

Finding the Fourth Proportional to 480,726.64, 721,038.06 and 160,842.28

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Solution

The fourth proportional to 480,726.64, 721,038.06 and 160,842.28 is: 241,246.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    480,726.64 : 721,038.06 = 160,842.28 : x
  2. Step 2: Convert to fraction form
    480,726.64/721,038.06 = 160,842.28/x
  3. Step 3: Cross multiply
    480,726.64x = 721,038.06 × 160,842.28
  4. Step 4: Simplify right side
    480,726.64x = 115,973,405,537.18
  5. Step 5: Solve for x
    x = 115,973,405,537.18/480,726.64
  6. Step 6: Final answer
    x = 241,246.06

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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.