Home / 1,775,591.60-2,663,387.40-1,208,721.20

Finding the Fourth Proportional to 1,775,591.60, 2,663,387.40 and 1,208,721.20

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Solution

The fourth proportional to 1,775,591.60, 2,663,387.40 and 1,208,721.20 is: 1,813,081.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,775,591.60 : 2,663,387.40 = 1,208,721.20 : x
  2. Step 2: Convert to fraction form
    1,775,591.60/2,663,387.40 = 1,208,721.20/x
  3. Step 3: Cross multiply
    1,775,591.60x = 2,663,387.40 × 1,208,721.20
  4. Step 4: Simplify right side
    1,775,591.60x = 3,219,292,814,192.88
  5. Step 5: Solve for x
    x = 3,219,292,814,192.88/1,775,591.60
  6. Step 6: Final answer
    x = 1,813,081.80

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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.