Home / 1,242,026.10-1,863,039.15-400,577.85

Finding the Fourth Proportional to 1,242,026.10, 1,863,039.15 and 400,577.85

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Solution

The fourth proportional to 1,242,026.10, 1,863,039.15 and 400,577.85 is: 600,866.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,242,026.10 : 1,863,039.15 = 400,577.85 : x
  2. Step 2: Convert to fraction form
    1,242,026.10/1,863,039.15 = 400,577.85/x
  3. Step 3: Cross multiply
    1,242,026.10x = 1,863,039.15 × 400,577.85
  4. Step 4: Simplify right side
    1,242,026.10x = 746,292,217,172.83
  5. Step 5: Solve for x
    x = 746,292,217,172.83/1,242,026.10
  6. Step 6: Final answer
    x = 600,866.78

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Similar ratio
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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.