Home / 1,761,764.40-2,642,646.60-1,635,793.20

Finding the Fourth Proportional to 1,761,764.40, 2,642,646.60 and 1,635,793.20

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Solution

The fourth proportional to 1,761,764.40, 2,642,646.60 and 1,635,793.20 is: 2,453,689.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,761,764.40 : 2,642,646.60 = 1,635,793.20 : x
  2. Step 2: Convert to fraction form
    1,761,764.40/2,642,646.60 = 1,635,793.20/x
  3. Step 3: Cross multiply
    1,761,764.40x = 2,642,646.60 × 1,635,793.20
  4. Step 4: Simplify right side
    1,761,764.40x = 4,322,823,338,283.12
  5. Step 5: Solve for x
    x = 4,322,823,338,283.12/1,761,764.40
  6. Step 6: Final answer
    x = 2,453,689.80

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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.