Home / 1,605,099.78-2,215,023.57-879,934.32

Finding the Fourth Proportional to 1,605,099.78, 2,215,023.57 and 879,934.32

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Solution

The fourth proportional to 1,605,099.78, 2,215,023.57 and 879,934.32 is: 1,214,301.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,099.78 : 2,215,023.57 = 879,934.32 : x
  2. Step 2: Convert to fraction form
    1,605,099.78/2,215,023.57 = 879,934.32/x
  3. Step 3: Cross multiply
    1,605,099.78x = 2,215,023.57 × 879,934.32
  4. Step 4: Simplify right side
    1,605,099.78x = 1,949,075,258,851.92
  5. Step 5: Solve for x
    x = 1,949,075,258,851.92/1,605,099.78
  6. Step 6: Final answer
    x = 1,214,301.62

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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.