Home / 1,489,818.52-2,055,951.21-836,353.72

Finding the Fourth Proportional to 1,489,818.52, 2,055,951.21 and 836,353.72

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Solution

The fourth proportional to 1,489,818.52, 2,055,951.21 and 836,353.72 is: 1,154,169.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,489,818.52 : 2,055,951.21 = 836,353.72 : x
  2. Step 2: Convert to fraction form
    1,489,818.52/2,055,951.21 = 836,353.72/x
  3. Step 3: Cross multiply
    1,489,818.52x = 2,055,951.21 × 836,353.72
  4. Step 4: Simplify right side
    1,489,818.52x = 1,719,502,442,622.00
  5. Step 5: Solve for x
    x = 1,719,502,442,622.00/1,489,818.52
  6. Step 6: Final answer
    x = 1,154,169.06

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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.