Home / 726,959.90-1,003,298.85-416,983.43

Finding the Fourth Proportional to 726,959.90, 1,003,298.85 and 416,983.43

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Solution

The fourth proportional to 726,959.90, 1,003,298.85 and 416,983.43 is: 575,491.16

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,959.90 : 1,003,298.85 = 416,983.43 : x
  2. Step 2: Convert to fraction form
    726,959.90/1,003,298.85 = 416,983.43/x
  3. Step 3: Cross multiply
    726,959.90x = 1,003,298.85 × 416,983.43
  4. Step 4: Simplify right side
    726,959.90x = 418,358,990,771.56
  5. Step 5: Solve for x
    x = 418,358,990,771.56/726,959.90
  6. Step 6: Final answer
    x = 575,491.16

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1.5x scale

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.