Home / 1,083,769.34-1,625,882.28-409,835.72

Finding the Fourth Proportional to 1,083,769.34, 1,625,882.28 and 409,835.72

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Solution

The fourth proportional to 1,083,769.34, 1,625,882.28 and 409,835.72 is: 614,839.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,083,769.34 : 1,625,882.28 = 409,835.72 : x
  2. Step 2: Convert to fraction form
    1,083,769.34/1,625,882.28 = 409,835.72/x
  3. Step 3: Cross multiply
    1,083,769.34x = 1,625,882.28 × 409,835.72
  4. Step 4: Simplify right side
    1,083,769.34x = 666,344,632,809.86
  5. Step 5: Solve for x
    x = 666,344,632,809.86/1,083,769.34
  6. Step 6: Final answer
    x = 614,839.90

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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.