Home / 1,070,557.05-1,605,752.13-396,321.15

Finding the Fourth Proportional to 1,070,557.05, 1,605,752.13 and 396,321.15

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Solution

The fourth proportional to 1,070,557.05, 1,605,752.13 and 396,321.15 is: 594,450.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,557.05 : 1,605,752.13 = 396,321.15 : x
  2. Step 2: Convert to fraction form
    1,070,557.05/1,605,752.13 = 396,321.15/x
  3. Step 3: Cross multiply
    1,070,557.05x = 1,605,752.13 × 396,321.15
  4. Step 4: Simplify right side
    1,070,557.05x = 636,393,530,776.55
  5. Step 5: Solve for x
    x = 636,393,530,776.55/1,070,557.05
  6. Step 6: Final answer
    x = 594,450.83

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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.