Home / 1,605,157.12-2,215,116.29-879,989.29

Finding the Fourth Proportional to 1,605,157.12, 2,215,116.29 and 879,989.29

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Solution

The fourth proportional to 1,605,157.12, 2,215,116.29 and 879,989.29 is: 1,214,384.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,605,157.12 : 2,215,116.29 = 879,989.29 : x
  2. Step 2: Convert to fraction form
    1,605,157.12/2,215,116.29 = 879,989.29/x
  3. Step 3: Cross multiply
    1,605,157.12x = 2,215,116.29 × 879,989.29
  4. Step 4: Simplify right side
    1,605,157.12x = 1,949,278,607,966.72
  5. Step 5: Solve for x
    x = 1,949,278,607,966.72/1,605,157.12
  6. Step 6: Final answer
    x = 1,214,384.92

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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.