Home / 1,720,531.68-2,579,115.60-774,140.64

Finding the Fourth Proportional to 1,720,531.68, 2,579,115.60 and 774,140.64

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Solution

The fourth proportional to 1,720,531.68, 2,579,115.60 and 774,140.64 is: 1,160,454.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,720,531.68 : 2,579,115.60 = 774,140.64 : x
  2. Step 2: Convert to fraction form
    1,720,531.68/2,579,115.60 = 774,140.64/x
  3. Step 3: Cross multiply
    1,720,531.68x = 2,579,115.60 × 774,140.64
  4. Step 4: Simplify right side
    1,720,531.68x = 1,996,598,201,217.98
  5. Step 5: Solve for x
    x = 1,996,598,201,217.98/1,720,531.68
  6. Step 6: Final answer
    x = 1,160,454.19

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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.