Home / 1,659,812.78-2,290,519.11-934,669.19

Finding the Fourth Proportional to 1,659,812.78, 2,290,519.11 and 934,669.19

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Solution

The fourth proportional to 1,659,812.78, 2,290,519.11 and 934,669.19 is: 1,289,830.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,659,812.78 : 2,290,519.11 = 934,669.19 : x
  2. Step 2: Convert to fraction form
    1,659,812.78/2,290,519.11 = 934,669.19/x
  3. Step 3: Cross multiply
    1,659,812.78x = 2,290,519.11 × 934,669.19
  4. Step 4: Simplify right side
    1,659,812.78x = 2,140,877,650,454.53
  5. Step 5: Solve for x
    x = 2,140,877,650,454.53/1,659,812.78
  6. Step 6: Final answer
    x = 1,289,830.80

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.