Home / 1,268,549.64-1,751,516.90-816,627.88

Finding the Fourth Proportional to 1,268,549.64, 1,751,516.90 and 816,627.88

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Solution

The fourth proportional to 1,268,549.64, 1,751,516.90 and 816,627.88 is: 1,127,537.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,268,549.64 : 1,751,516.90 = 816,627.88 : x
  2. Step 2: Convert to fraction form
    1,268,549.64/1,751,516.90 = 816,627.88/x
  3. Step 3: Cross multiply
    1,268,549.64x = 1,751,516.90 × 816,627.88
  4. Step 4: Simplify right side
    1,268,549.64x = 1,430,337,532,831.17
  5. Step 5: Solve for x
    x = 1,430,337,532,831.17/1,268,549.64
  6. Step 6: Final answer
    x = 1,127,537.69

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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.