Home / 1,040,398.32-1,561,483.23-409,755

Finding the Fourth Proportional to 1,040,398.32, 1,561,483.23 and 409,755

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Solution

The fourth proportional to 1,040,398.32, 1,561,483.23 and 409,755 is: 614,981.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,398.32 : 1,561,483.23 = 409,755 : x
  2. Step 2: Convert to fraction form
    1,040,398.32/1,561,483.23 = 409,755/x
  3. Step 3: Cross multiply
    1,040,398.32x = 1,561,483.23 × 409,755
  4. Step 4: Simplify right side
    1,040,398.32x = 639,825,560,908.65
  5. Step 5: Solve for x
    x = 639,825,560,908.65/1,040,398.32
  6. Step 6: Final answer
    x = 614,981.35

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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.