Home / 750,690.38-1,035,947.96-406,520.82

Finding the Fourth Proportional to 750,690.38, 1,035,947.96 and 406,520.82

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Solution

The fourth proportional to 750,690.38, 1,035,947.96 and 406,520.82 is: 560,996.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    750,690.38 : 1,035,947.96 = 406,520.82 : x
  2. Step 2: Convert to fraction form
    750,690.38/1,035,947.96 = 406,520.82/x
  3. Step 3: Cross multiply
    750,690.38x = 1,035,947.96 × 406,520.82
  4. Step 4: Simplify right side
    750,690.38x = 421,134,414,176.53
  5. Step 5: Solve for x
    x = 421,134,414,176.53/750,690.38
  6. Step 6: Final answer
    x = 560,996.16

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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.