Home / 579,966.19-868,785.21-295,645.25

Finding the Fourth Proportional to 579,966.19, 868,785.21 and 295,645.25

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Solution

The fourth proportional to 579,966.19, 868,785.21 and 295,645.25 is: 442,874.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    579,966.19 : 868,785.21 = 295,645.25 : x
  2. Step 2: Convert to fraction form
    579,966.19/868,785.21 = 295,645.25/x
  3. Step 3: Cross multiply
    579,966.19x = 868,785.21 × 295,645.25
  4. Step 4: Simplify right side
    579,966.19x = 256,852,222,778.72
  5. Step 5: Solve for x
    x = 256,852,222,778.72/579,966.19
  6. Step 6: Final answer
    x = 442,874.48

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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.