Home / 876,683.60-1,315,025.40-811,073.60

Finding the Fourth Proportional to 876,683.60, 1,315,025.40 and 811,073.60

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Solution

The fourth proportional to 876,683.60, 1,315,025.40 and 811,073.60 is: 1,216,610.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    876,683.60 : 1,315,025.40 = 811,073.60 : x
  2. Step 2: Convert to fraction form
    876,683.60/1,315,025.40 = 811,073.60/x
  3. Step 3: Cross multiply
    876,683.60x = 1,315,025.40 × 811,073.60
  4. Step 4: Simplify right side
    876,683.60x = 1,066,582,385,269.44
  5. Step 5: Solve for x
    x = 1,066,582,385,269.44/876,683.60
  6. Step 6: Final answer
    x = 1,216,610.40

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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.