Home / 1,353,903.76-1,868,593.05-864,084.61

Finding the Fourth Proportional to 1,353,903.76, 1,868,593.05 and 864,084.61

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Solution

The fourth proportional to 1,353,903.76, 1,868,593.05 and 864,084.61 is: 1,192,568.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,903.76 : 1,868,593.05 = 864,084.61 : x
  2. Step 2: Convert to fraction form
    1,353,903.76/1,868,593.05 = 864,084.61/x
  3. Step 3: Cross multiply
    1,353,903.76x = 1,868,593.05 × 864,084.61
  4. Step 4: Simplify right side
    1,353,903.76x = 1,614,622,499,193.70
  5. Step 5: Solve for x
    x = 1,614,622,499,193.70/1,353,903.76
  6. Step 6: Final answer
    x = 1,192,568.15

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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.