Home / 1,391,499.95-2,087,169.96-826,470.07

Finding the Fourth Proportional to 1,391,499.95, 2,087,169.96 and 826,470.07

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Solution

The fourth proportional to 1,391,499.95, 2,087,169.96 and 826,470.07 is: 1,239,657.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,391,499.95 : 2,087,169.96 = 826,470.07 : x
  2. Step 2: Convert to fraction form
    1,391,499.95/2,087,169.96 = 826,470.07/x
  3. Step 3: Cross multiply
    1,391,499.95x = 2,087,169.96 × 826,470.07
  4. Step 4: Simplify right side
    1,391,499.95x = 1,724,983,500,824.44
  5. Step 5: Solve for x
    x = 1,724,983,500,824.44/1,391,499.95
  6. Step 6: Final answer
    x = 1,239,657.61

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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.