Home / 876,116.04-1,314,170.28-343,260.78

Finding the Fourth Proportional to 876,116.04, 1,314,170.28 and 343,260.78

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Solution

The fourth proportional to 876,116.04, 1,314,170.28 and 343,260.78 is: 514,889.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,116.04 : 1,314,170.28 = 343,260.78 : x
  2. Step 2: Convert to fraction form
    876,116.04/1,314,170.28 = 343,260.78/x
  3. Step 3: Cross multiply
    876,116.04x = 1,314,170.28 × 343,260.78
  4. Step 4: Simplify right side
    876,116.04x = 451,103,115,365.62
  5. Step 5: Solve for x
    x = 451,103,115,365.62/876,116.04
  6. Step 6: Final answer
    x = 514,889.69

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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.