Home / 1,971,170.76-2,956,779.81-773,657.04

Finding the Fourth Proportional to 1,971,170.76, 2,956,779.81 and 773,657.04

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Solution

The fourth proportional to 1,971,170.76, 2,956,779.81 and 773,657.04 is: 1,160,494.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,971,170.76 : 2,956,779.81 = 773,657.04 : x
  2. Step 2: Convert to fraction form
    1,971,170.76/2,956,779.81 = 773,657.04/x
  3. Step 3: Cross multiply
    1,971,170.76x = 2,956,779.81 × 773,657.04
  4. Step 4: Simplify right side
    1,971,170.76x = 2,287,533,515,736.36
  5. Step 5: Solve for x
    x = 2,287,533,515,736.36/1,971,170.76
  6. Step 6: Final answer
    x = 1,160,494.85

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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.