Home / 876,309.60-1,314,464.40-451,156.80

Finding the Fourth Proportional to 876,309.60, 1,314,464.40 and 451,156.80

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Solution

The fourth proportional to 876,309.60, 1,314,464.40 and 451,156.80 is: 676,735.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,309.60 : 1,314,464.40 = 451,156.80 : x
  2. Step 2: Convert to fraction form
    876,309.60/1,314,464.40 = 451,156.80/x
  3. Step 3: Cross multiply
    876,309.60x = 1,314,464.40 × 451,156.80
  4. Step 4: Simplify right side
    876,309.60x = 593,029,552,417.92
  5. Step 5: Solve for x
    x = 593,029,552,417.92/876,309.60
  6. Step 6: Final answer
    x = 676,735.20

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Double scale
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Similar ratio
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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.