Home / 1,039,842-1,555,260.21-612,358.83

Finding the Fourth Proportional to 1,039,842, 1,555,260.21 and 612,358.83

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Solution

The fourth proportional to 1,039,842, 1,555,260.21 and 612,358.83 is: 915,886.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,842 : 1,555,260.21 = 612,358.83 : x
  2. Step 2: Convert to fraction form
    1,039,842/1,555,260.21 = 612,358.83/x
  3. Step 3: Cross multiply
    1,039,842x = 1,555,260.21 × 612,358.83
  4. Step 4: Simplify right side
    1,039,842x = 952,377,322,541.15
  5. Step 5: Solve for x
    x = 952,377,322,541.15/1,039,842
  6. Step 6: Final answer
    x = 915,886.57

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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.