Home / 386,767.20-533,629.20-250,806.60

Finding the Fourth Proportional to 386,767.20, 533,629.20 and 250,806.60

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Solution

The fourth proportional to 386,767.20, 533,629.20 and 250,806.60 is: 346,042.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    386,767.20 : 533,629.20 = 250,806.60 : x
  2. Step 2: Convert to fraction form
    386,767.20/533,629.20 = 250,806.60/x
  3. Step 3: Cross multiply
    386,767.20x = 533,629.20 × 250,806.60
  4. Step 4: Simplify right side
    386,767.20x = 133,837,725,312.72
  5. Step 5: Solve for x
    x = 133,837,725,312.72/386,767.20
  6. Step 6: Final answer
    x = 346,042.08

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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.