Home / 1,585,921.16-2,378,861.10-387,853.85

Finding the Fourth Proportional to 1,585,921.16, 2,378,861.10 and 387,853.85

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Solution

The fourth proportional to 1,585,921.16, 2,378,861.10 and 387,853.85 is: 581,775.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,585,921.16 : 2,378,861.10 = 387,853.85 : x
  2. Step 2: Convert to fraction form
    1,585,921.16/2,378,861.10 = 387,853.85/x
  3. Step 3: Cross multiply
    1,585,921.16x = 2,378,861.10 × 387,853.85
  4. Step 4: Simplify right side
    1,585,921.16x = 922,650,424,355.93
  5. Step 5: Solve for x
    x = 922,650,424,355.93/1,585,921.16
  6. Step 6: Final answer
    x = 581,775.72

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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.