Home / 457,202.23-685,934.57-299,235.22

Finding the Fourth Proportional to 457,202.23, 685,934.57 and 299,235.22

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Solution

The fourth proportional to 457,202.23, 685,934.57 and 299,235.22 is: 448,938.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    457,202.23 : 685,934.57 = 299,235.22 : x
  2. Step 2: Convert to fraction form
    457,202.23/685,934.57 = 299,235.22/x
  3. Step 3: Cross multiply
    457,202.23x = 685,934.57 × 299,235.22
  4. Step 4: Simplify right side
    457,202.23x = 205,255,781,959.56
  5. Step 5: Solve for x
    x = 205,255,781,959.56/457,202.23
  6. Step 6: Final answer
    x = 448,938.72

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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.