Home / 876,629.20-1,316,172.60-544,853.20

Finding the Fourth Proportional to 876,629.20, 1,316,172.60 and 544,853.20

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Solution

The fourth proportional to 876,629.20, 1,316,172.60 and 544,853.20 is: 818,043.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,629.20 : 1,316,172.60 = 544,853.20 : x
  2. Step 2: Convert to fraction form
    876,629.20/1,316,172.60 = 544,853.20/x
  3. Step 3: Cross multiply
    876,629.20x = 1,316,172.60 × 544,853.20
  4. Step 4: Simplify right side
    876,629.20x = 717,120,852,862.32
  5. Step 5: Solve for x
    x = 717,120,852,862.32/876,629.20
  6. Step 6: Final answer
    x = 818,043.54

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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.