Home / 439,256.32-606,282.24-288,557.44

Finding the Fourth Proportional to 439,256.32, 606,282.24 and 288,557.44

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Solution

The fourth proportional to 439,256.32, 606,282.24 and 288,557.44 is: 398,280.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,256.32 : 606,282.24 = 288,557.44 : x
  2. Step 2: Convert to fraction form
    439,256.32/606,282.24 = 288,557.44/x
  3. Step 3: Cross multiply
    439,256.32x = 606,282.24 × 288,557.44
  4. Step 4: Simplify right side
    439,256.32x = 174,947,251,091.87
  5. Step 5: Solve for x
    x = 174,947,251,091.87/439,256.32
  6. Step 6: Final answer
    x = 398,280.56

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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.