Home / 668,863.80-1,001,934.90-415,366.20

Finding the Fourth Proportional to 668,863.80, 1,001,934.90 and 415,366.20

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Solution

The fourth proportional to 668,863.80, 1,001,934.90 and 415,366.20 is: 622,204.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,863.80 : 1,001,934.90 = 415,366.20 : x
  2. Step 2: Convert to fraction form
    668,863.80/1,001,934.90 = 415,366.20/x
  3. Step 3: Cross multiply
    668,863.80x = 1,001,934.90 × 415,366.20
  4. Step 4: Simplify right side
    668,863.80x = 416,169,892,060.38
  5. Step 5: Solve for x
    x = 416,169,892,060.38/668,863.80
  6. Step 6: Final answer
    x = 622,204.24

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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.