Home / 475,780.56-656,578.08-260,922.24

Finding the Fourth Proportional to 475,780.56, 656,578.08 and 260,922.24

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Solution

The fourth proportional to 475,780.56, 656,578.08 and 260,922.24 is: 360,073.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,780.56 : 656,578.08 = 260,922.24 : x
  2. Step 2: Convert to fraction form
    475,780.56/656,578.08 = 260,922.24/x
  3. Step 3: Cross multiply
    475,780.56x = 656,578.08 × 260,922.24
  4. Step 4: Simplify right side
    475,780.56x = 171,315,823,368.50
  5. Step 5: Solve for x
    x = 171,315,823,368.50/475,780.56
  6. Step 6: Final answer
    x = 360,073.19

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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.