Home / 2,080,478.80-3,117,364.80-1,179,240.40

Finding the Fourth Proportional to 2,080,478.80, 3,117,364.80 and 1,179,240.40

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Solution

The fourth proportional to 2,080,478.80, 3,117,364.80 and 1,179,240.40 is: 1,766,959.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    2,080,478.80 : 3,117,364.80 = 1,179,240.40 : x
  2. Step 2: Convert to fraction form
    2,080,478.80/3,117,364.80 = 1,179,240.40/x
  3. Step 3: Cross multiply
    2,080,478.80x = 3,117,364.80 × 1,179,240.40
  4. Step 4: Simplify right side
    2,080,478.80x = 3,676,122,513,697.92
  5. Step 5: Solve for x
    x = 3,676,122,513,697.92/2,080,478.80
  6. Step 6: Final answer
    x = 1,766,959.85

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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.