Home / 618,116.10-926,731.35-238,712.10

Finding the Fourth Proportional to 618,116.10, 926,731.35 and 238,712.10

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Solution

The fourth proportional to 618,116.10, 926,731.35 and 238,712.10 is: 357,897.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    618,116.10 : 926,731.35 = 238,712.10 : x
  2. Step 2: Convert to fraction form
    618,116.10/926,731.35 = 238,712.10/x
  3. Step 3: Cross multiply
    618,116.10x = 926,731.35 × 238,712.10
  4. Step 4: Simplify right side
    618,116.10x = 221,221,986,694.34
  5. Step 5: Solve for x
    x = 221,221,986,694.34/618,116.10
  6. Step 6: Final answer
    x = 357,897.14

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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.