Home / 1,143,864.64-1,578,562.26-627,618.40

Finding the Fourth Proportional to 1,143,864.64, 1,578,562.26 and 627,618.40

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Solution

The fourth proportional to 1,143,864.64, 1,578,562.26 and 627,618.40 is: 866,129.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,864.64 : 1,578,562.26 = 627,618.40 : x
  2. Step 2: Convert to fraction form
    1,143,864.64/1,578,562.26 = 627,618.40/x
  3. Step 3: Cross multiply
    1,143,864.64x = 1,578,562.26 × 627,618.40
  4. Step 4: Simplify right side
    1,143,864.64x = 990,734,713,621.61
  5. Step 5: Solve for x
    x = 990,734,713,621.61/1,143,864.64
  6. Step 6: Final answer
    x = 866,129.33

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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.