Home / 1,019,517.46-1,529,177.27-309,551.65

Finding the Fourth Proportional to 1,019,517.46, 1,529,177.27 and 309,551.65

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Solution

The fourth proportional to 1,019,517.46, 1,529,177.27 and 309,551.65 is: 464,297.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,019,517.46 : 1,529,177.27 = 309,551.65 : x
  2. Step 2: Convert to fraction form
    1,019,517.46/1,529,177.27 = 309,551.65/x
  3. Step 3: Cross multiply
    1,019,517.46x = 1,529,177.27 × 309,551.65
  4. Step 4: Simplify right side
    1,019,517.46x = 473,359,341,700.29
  5. Step 5: Solve for x
    x = 473,359,341,700.29/1,019,517.46
  6. Step 6: Final answer
    x = 464,297.44

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Double scale
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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.