Home / 1,767,921.60-2,650,132.80-868,627.20

Finding the Fourth Proportional to 1,767,921.60, 2,650,132.80 and 868,627.20

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Solution

The fourth proportional to 1,767,921.60, 2,650,132.80 and 868,627.20 is: 1,302,081.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,767,921.60 : 2,650,132.80 = 868,627.20 : x
  2. Step 2: Convert to fraction form
    1,767,921.60/2,650,132.80 = 868,627.20/x
  3. Step 3: Cross multiply
    1,767,921.60x = 2,650,132.80 × 868,627.20
  4. Step 4: Simplify right side
    1,767,921.60x = 2,301,977,433,692.16
  5. Step 5: Solve for x
    x = 2,301,977,433,692.16/1,767,921.60
  6. Step 6: Final answer
    x = 1,302,081.17

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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.