Home / 1,275,125.50-1,759,673.19-702,164.31

Finding the Fourth Proportional to 1,275,125.50, 1,759,673.19 and 702,164.31

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Solution

The fourth proportional to 1,275,125.50, 1,759,673.19 and 702,164.31 is: 968,986.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,125.50 : 1,759,673.19 = 702,164.31 : x
  2. Step 2: Convert to fraction form
    1,275,125.50/1,759,673.19 = 702,164.31/x
  3. Step 3: Cross multiply
    1,275,125.50x = 1,759,673.19 × 702,164.31
  4. Step 4: Simplify right side
    1,275,125.50x = 1,235,579,702,483.48
  5. Step 5: Solve for x
    x = 1,235,579,702,483.48/1,275,125.50
  6. Step 6: Final answer
    x = 968,986.74

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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.