Home / 475,740.81-656,531.33-260,868.06

Finding the Fourth Proportional to 475,740.81, 656,531.33 and 260,868.06

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Solution

The fourth proportional to 475,740.81, 656,531.33 and 260,868.06 is: 360,002.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,740.81 : 656,531.33 = 260,868.06 : x
  2. Step 2: Convert to fraction form
    475,740.81/656,531.33 = 260,868.06/x
  3. Step 3: Cross multiply
    475,740.81x = 656,531.33 × 260,868.06
  4. Step 4: Simplify right side
    475,740.81x = 171,268,053,081.98
  5. Step 5: Solve for x
    x = 171,268,053,081.98/475,740.81
  6. Step 6: Final answer
    x = 360,002.86

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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.