Home / 1,181,778.40-1,772,149.20-471,570.40

Finding the Fourth Proportional to 1,181,778.40, 1,772,149.20 and 471,570.40

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Solution

The fourth proportional to 1,181,778.40, 1,772,149.20 and 471,570.40 is: 707,148.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,181,778.40 : 1,772,149.20 = 471,570.40 : x
  2. Step 2: Convert to fraction form
    1,181,778.40/1,772,149.20 = 471,570.40/x
  3. Step 3: Cross multiply
    1,181,778.40x = 1,772,149.20 × 471,570.40
  4. Step 4: Simplify right side
    1,181,778.40x = 835,693,107,103.68
  5. Step 5: Solve for x
    x = 835,693,107,103.68/1,181,778.40
  6. Step 6: Final answer
    x = 707,148.74

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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.