Home / 716,223.20-1,074,058.65-316,644.66

Finding the Fourth Proportional to 716,223.20, 1,074,058.65 and 316,644.66

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Solution

The fourth proportional to 716,223.20, 1,074,058.65 and 316,644.66 is: 474,844.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    716,223.20 : 1,074,058.65 = 316,644.66 : x
  2. Step 2: Convert to fraction form
    716,223.20/1,074,058.65 = 316,644.66/x
  3. Step 3: Cross multiply
    716,223.20x = 1,074,058.65 × 316,644.66
  4. Step 4: Simplify right side
    716,223.20x = 340,094,936,049.31
  5. Step 5: Solve for x
    x = 340,094,936,049.31/716,223.20
  6. Step 6: Final answer
    x = 474,844.91

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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.