Home / 862,616.80-1,292,953.20-413,552.80

Finding the Fourth Proportional to 862,616.80, 1,292,953.20 and 413,552.80

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Solution

The fourth proportional to 862,616.80, 1,292,953.20 and 413,552.80 is: 619,863.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    862,616.80 : 1,292,953.20 = 413,552.80 : x
  2. Step 2: Convert to fraction form
    862,616.80/1,292,953.20 = 413,552.80/x
  3. Step 3: Cross multiply
    862,616.80x = 1,292,953.20 × 413,552.80
  4. Step 4: Simplify right side
    862,616.80x = 534,704,416,128.96
  5. Step 5: Solve for x
    x = 534,704,416,128.96/862,616.80
  6. Step 6: Final answer
    x = 619,863.21

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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.