Home / 838,570.20-1,257,866.24-239,550.90

Finding the Fourth Proportional to 838,570.20, 1,257,866.24 and 239,550.90

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Solution

The fourth proportional to 838,570.20, 1,257,866.24 and 239,550.90 is: 359,329.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    838,570.20 : 1,257,866.24 = 239,550.90 : x
  2. Step 2: Convert to fraction form
    838,570.20/1,257,866.24 = 239,550.90/x
  3. Step 3: Cross multiply
    838,570.20x = 1,257,866.24 × 239,550.90
  4. Step 4: Simplify right side
    838,570.20x = 301,322,988,673.86
  5. Step 5: Solve for x
    x = 301,322,988,673.86/838,570.20
  6. Step 6: Final answer
    x = 359,329.47

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.