Home / 1,016,895.88-1,403,312.44-558,018.12

Finding the Fourth Proportional to 1,016,895.88, 1,403,312.44 and 558,018.12

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Solution

The fourth proportional to 1,016,895.88, 1,403,312.44 and 558,018.12 is: 770,062.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,895.88 : 1,403,312.44 = 558,018.12 : x
  2. Step 2: Convert to fraction form
    1,016,895.88/1,403,312.44 = 558,018.12/x
  3. Step 3: Cross multiply
    1,016,895.88x = 1,403,312.44 × 558,018.12
  4. Step 4: Simplify right side
    1,016,895.88x = 783,073,769,541.41
  5. Step 5: Solve for x
    x = 783,073,769,541.41/1,016,895.88
  6. Step 6: Final answer
    x = 770,062.88

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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.