Home / 439,425.02-606,411.30-258,144.59

Finding the Fourth Proportional to 439,425.02, 606,411.30 and 258,144.59

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Solution

The fourth proportional to 439,425.02, 606,411.30 and 258,144.59 is: 356,242.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,425.02 : 606,411.30 = 258,144.59 : x
  2. Step 2: Convert to fraction form
    439,425.02/606,411.30 = 258,144.59/x
  3. Step 3: Cross multiply
    439,425.02x = 606,411.30 × 258,144.59
  4. Step 4: Simplify right side
    439,425.02x = 156,541,793,377.81
  5. Step 5: Solve for x
    x = 156,541,793,377.81/439,425.02
  6. Step 6: Final answer
    x = 356,242.33

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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.