Home / 556,229.72-834,368.84-272,159.45

Finding the Fourth Proportional to 556,229.72, 834,368.84 and 272,159.45

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Solution

The fourth proportional to 556,229.72, 834,368.84 and 272,159.45 is: 408,251.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    556,229.72 : 834,368.84 = 272,159.45 : x
  2. Step 2: Convert to fraction form
    556,229.72/834,368.84 = 272,159.45/x
  3. Step 3: Cross multiply
    556,229.72x = 834,368.84 × 272,159.45
  4. Step 4: Simplify right side
    556,229.72x = 227,081,364,591.54
  5. Step 5: Solve for x
    x = 227,081,364,591.54/556,229.72
  6. Step 6: Final answer
    x = 408,251.05

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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.