Home / 876,164.20-1,312,691.10-543,351.40

Finding the Fourth Proportional to 876,164.20, 1,312,691.10 and 543,351.40

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Solution

The fourth proportional to 876,164.20, 1,312,691.10 and 543,351.40 is: 814,062.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,164.20 : 1,312,691.10 = 543,351.40 : x
  2. Step 2: Convert to fraction form
    876,164.20/1,312,691.10 = 543,351.40/x
  3. Step 3: Cross multiply
    876,164.20x = 1,312,691.10 × 543,351.40
  4. Step 4: Simplify right side
    876,164.20x = 713,252,546,952.54
  5. Step 5: Solve for x
    x = 713,252,546,952.54/876,164.20
  6. Step 6: Final answer
    x = 814,062.65

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1.5x scale

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.