Home / 1,039,279.74-1,434,327.05-864,541.26

Finding the Fourth Proportional to 1,039,279.74, 1,434,327.05 and 864,541.26

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Solution

The fourth proportional to 1,039,279.74, 1,434,327.05 and 864,541.26 is: 1,193,167.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,279.74 : 1,434,327.05 = 864,541.26 : x
  2. Step 2: Convert to fraction form
    1,039,279.74/1,434,327.05 = 864,541.26/x
  3. Step 3: Cross multiply
    1,039,279.74x = 1,434,327.05 × 864,541.26
  4. Step 4: Simplify right side
    1,039,279.74x = 1,240,034,910,736.38
  5. Step 5: Solve for x
    x = 1,240,034,910,736.38/1,039,279.74
  6. Step 6: Final answer
    x = 1,193,167.60

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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.