Home / 1,275,746.60-1,760,629.56-702,889.76

Finding the Fourth Proportional to 1,275,746.60, 1,760,629.56 and 702,889.76

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Solution

The fourth proportional to 1,275,746.60, 1,760,629.56 and 702,889.76 is: 970,042.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,746.60 : 1,760,629.56 = 702,889.76 : x
  2. Step 2: Convert to fraction form
    1,275,746.60/1,760,629.56 = 702,889.76/x
  3. Step 3: Cross multiply
    1,275,746.60x = 1,760,629.56 × 702,889.76
  4. Step 4: Simplify right side
    1,275,746.60x = 1,237,528,488,877.31
  5. Step 5: Solve for x
    x = 1,237,528,488,877.31/1,275,746.60
  6. Step 6: Final answer
    x = 970,042.55

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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.