Home / 1,257,478.92-1,735,320.97-684,523.26

Finding the Fourth Proportional to 1,257,478.92, 1,735,320.97 and 684,523.26

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Solution

The fourth proportional to 1,257,478.92, 1,735,320.97 and 684,523.26 is: 944,642.13

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,257,478.92 : 1,735,320.97 = 684,523.26 : x
  2. Step 2: Convert to fraction form
    1,257,478.92/1,735,320.97 = 684,523.26/x
  3. Step 3: Cross multiply
    1,257,478.92x = 1,735,320.97 × 684,523.26
  4. Step 4: Simplify right side
    1,257,478.92x = 1,187,867,567,530.76
  5. Step 5: Solve for x
    x = 1,187,867,567,530.76/1,257,478.92
  6. Step 6: Final answer
    x = 944,642.13

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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.