Home / 1,330,057.42-1,831,613.28-1,155,546.92

Finding the Fourth Proportional to 1,330,057.42, 1,831,613.28 and 1,155,546.92

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Solution

The fourth proportional to 1,330,057.42, 1,831,613.28 and 1,155,546.92 is: 1,591,296.02

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,330,057.42 : 1,831,613.28 = 1,155,546.92 : x
  2. Step 2: Convert to fraction form
    1,330,057.42/1,831,613.28 = 1,155,546.92/x
  3. Step 3: Cross multiply
    1,330,057.42x = 1,831,613.28 × 1,155,546.92
  4. Step 4: Simplify right side
    1,330,057.42x = 2,116,515,084,335.10
  5. Step 5: Solve for x
    x = 2,116,515,084,335.10/1,330,057.42
  6. Step 6: Final answer
    x = 1,591,296.02

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.