Home / 1,719,305.10-2,578,957.65-922,143.60

Finding the Fourth Proportional to 1,719,305.10, 2,578,957.65 and 922,143.60

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Solution

The fourth proportional to 1,719,305.10, 2,578,957.65 and 922,143.60 is: 1,383,215.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,719,305.10 : 2,578,957.65 = 922,143.60 : x
  2. Step 2: Convert to fraction form
    1,719,305.10/2,578,957.65 = 922,143.60/x
  3. Step 3: Cross multiply
    1,719,305.10x = 2,578,957.65 × 922,143.60
  4. Step 4: Simplify right side
    1,719,305.10x = 2,378,169,291,618.54
  5. Step 5: Solve for x
    x = 2,378,169,291,618.54/1,719,305.10
  6. Step 6: Final answer
    x = 1,383,215.40

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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.