Home / 423,004.12-583,876.40-272,101.12

Finding the Fourth Proportional to 423,004.12, 583,876.40 and 272,101.12

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Solution

The fourth proportional to 423,004.12, 583,876.40 and 272,101.12 is: 375,583.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    423,004.12 : 583,876.40 = 272,101.12 : x
  2. Step 2: Convert to fraction form
    423,004.12/583,876.40 = 272,101.12/x
  3. Step 3: Cross multiply
    423,004.12x = 583,876.40 × 272,101.12
  4. Step 4: Simplify right side
    423,004.12x = 158,873,424,376.25
  5. Step 5: Solve for x
    x = 158,873,424,376.25/423,004.12
  6. Step 6: Final answer
    x = 375,583.63

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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.