Home / 1,275,563.89-1,760,263.07-694,785.20

Finding the Fourth Proportional to 1,275,563.89, 1,760,263.07 and 694,785.20

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Solution

The fourth proportional to 1,275,563.89, 1,760,263.07 and 694,785.20 is: 958,795.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,563.89 : 1,760,263.07 = 694,785.20 : x
  2. Step 2: Convert to fraction form
    1,275,563.89/1,760,263.07 = 694,785.20/x
  3. Step 3: Cross multiply
    1,275,563.89x = 1,760,263.07 × 694,785.20
  4. Step 4: Simplify right side
    1,275,563.89x = 1,223,004,720,341.25
  5. Step 5: Solve for x
    x = 1,223,004,720,341.25/1,275,563.89
  6. Step 6: Final answer
    x = 958,795.35

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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.