Home / 1,070,535.80-1,605,720.26-396,299.90

Finding the Fourth Proportional to 1,070,535.80, 1,605,720.26 and 396,299.90

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Solution

The fourth proportional to 1,070,535.80, 1,605,720.26 and 396,299.90 is: 594,418.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,070,535.80 : 1,605,720.26 = 396,299.90 : x
  2. Step 2: Convert to fraction form
    1,070,535.80/1,605,720.26 = 396,299.90/x
  3. Step 3: Cross multiply
    1,070,535.80x = 1,605,720.26 × 396,299.90
  4. Step 4: Simplify right side
    1,070,535.80x = 636,346,778,465.97
  5. Step 5: Solve for x
    x = 636,346,778,465.97/1,070,535.80
  6. Step 6: Final answer
    x = 594,418.96

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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.