Home / 1,028,258.51-1,418,979.42-569,363.20

Finding the Fourth Proportional to 1,028,258.51, 1,418,979.42 and 569,363.20

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Solution

The fourth proportional to 1,028,258.51, 1,418,979.42 and 569,363.20 is: 785,711.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,258.51 : 1,418,979.42 = 569,363.20 : x
  2. Step 2: Convert to fraction form
    1,028,258.51/1,418,979.42 = 569,363.20/x
  3. Step 3: Cross multiply
    1,028,258.51x = 1,418,979.42 × 569,363.20
  4. Step 4: Simplify right side
    1,028,258.51x = 807,914,659,757.90
  5. Step 5: Solve for x
    x = 807,914,659,757.90/1,028,258.51
  6. Step 6: Final answer
    x = 785,711.62

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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.