Home / 475,422.78-656,088.57-260,558.22

Finding the Fourth Proportional to 475,422.78, 656,088.57 and 260,558.22

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Solution

The fourth proportional to 475,422.78, 656,088.57 and 260,558.22 is: 359,573.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,422.78 : 656,088.57 = 260,558.22 : x
  2. Step 2: Convert to fraction form
    475,422.78/656,088.57 = 260,558.22/x
  3. Step 3: Cross multiply
    475,422.78x = 656,088.57 × 260,558.22
  4. Step 4: Simplify right side
    475,422.78x = 170,949,269,961.55
  5. Step 5: Solve for x
    x = 170,949,269,961.55/475,422.78
  6. Step 6: Final answer
    x = 359,573.16

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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.