Home / 423,540.56-584,371.80-242,215.04

Finding the Fourth Proportional to 423,540.56, 584,371.80 and 242,215.04

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Solution

The fourth proportional to 423,540.56, 584,371.80 and 242,215.04 is: 334,191.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,540.56 : 584,371.80 = 242,215.04 : x
  2. Step 2: Convert to fraction form
    423,540.56/584,371.80 = 242,215.04/x
  3. Step 3: Cross multiply
    423,540.56x = 584,371.80 × 242,215.04
  4. Step 4: Simplify right side
    423,540.56x = 141,543,638,911.87
  5. Step 5: Solve for x
    x = 141,543,638,911.87/423,540.56
  6. Step 6: Final answer
    x = 334,191.46

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.