Home / 475,280.38-655,886.55-260,433.82

Finding the Fourth Proportional to 475,280.38, 655,886.55 and 260,433.82

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Solution

The fourth proportional to 475,280.38, 655,886.55 and 260,433.82 is: 359,398.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    475,280.38 : 655,886.55 = 260,433.82 : x
  2. Step 2: Convert to fraction form
    475,280.38/655,886.55 = 260,433.82/x
  3. Step 3: Cross multiply
    475,280.38x = 655,886.55 × 260,433.82
  4. Step 4: Simplify right side
    475,280.38x = 170,815,039,703.12
  5. Step 5: Solve for x
    x = 170,815,039,703.12/475,280.38
  6. Step 6: Final answer
    x = 359,398.47

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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.