Home / 876,286.60-1,314,332.70-718,239.40

Finding the Fourth Proportional to 876,286.60, 1,314,332.70 and 718,239.40

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Solution

The fourth proportional to 876,286.60, 1,314,332.70 and 718,239.40 is: 1,077,279.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,286.60 : 1,314,332.70 = 718,239.40 : x
  2. Step 2: Convert to fraction form
    876,286.60/1,314,332.70 = 718,239.40/x
  3. Step 3: Cross multiply
    876,286.60x = 1,314,332.70 × 718,239.40
  4. Step 4: Simplify right side
    876,286.60x = 944,005,529,848.38
  5. Step 5: Solve for x
    x = 944,005,529,848.38/876,286.60
  6. Step 6: Final answer
    x = 1,077,279.43

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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.