Home / 456,549.08-684,689.88-172,034.36

Finding the Fourth Proportional to 456,549.08, 684,689.88 and 172,034.36

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Solution

The fourth proportional to 456,549.08, 684,689.88 and 172,034.36 is: 258,001.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    456,549.08 : 684,689.88 = 172,034.36 : x
  2. Step 2: Convert to fraction form
    456,549.08/684,689.88 = 172,034.36/x
  3. Step 3: Cross multiply
    456,549.08x = 684,689.88 × 172,034.36
  4. Step 4: Simplify right side
    456,549.08x = 117,790,185,304.28
  5. Step 5: Solve for x
    x = 117,790,185,304.28/456,549.08
  6. Step 6: Final answer
    x = 258,001.14

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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.