Home / 876,659.60-1,314,989.40-811,049.60

Finding the Fourth Proportional to 876,659.60, 1,314,989.40 and 811,049.60

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Solution

The fourth proportional to 876,659.60, 1,314,989.40 and 811,049.60 is: 1,216,574.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,659.60 : 1,314,989.40 = 811,049.60 : x
  2. Step 2: Convert to fraction form
    876,659.60/1,314,989.40 = 811,049.60/x
  3. Step 3: Cross multiply
    876,659.60x = 1,314,989.40 × 811,049.60
  4. Step 4: Simplify right side
    876,659.60x = 1,066,521,626,874.24
  5. Step 5: Solve for x
    x = 1,066,521,626,874.24/876,659.60
  6. Step 6: Final answer
    x = 1,216,574.40

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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.