Home / 475,500.19-656,190.41-260,641.72

Finding the Fourth Proportional to 475,500.19, 656,190.41 and 260,641.72

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Solution

The fourth proportional to 475,500.19, 656,190.41 and 260,641.72 is: 359,685.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,500.19 : 656,190.41 = 260,641.72 : x
  2. Step 2: Convert to fraction form
    475,500.19/656,190.41 = 260,641.72/x
  3. Step 3: Cross multiply
    475,500.19x = 656,190.41 × 260,641.72
  4. Step 4: Simplify right side
    475,500.19x = 171,030,596,121.03
  5. Step 5: Solve for x
    x = 171,030,596,121.03/475,500.19
  6. Step 6: Final answer
    x = 359,685.65

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1.5x scale

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.