Home / 1,016,888.87-1,403,302.77-558,011.12

Finding the Fourth Proportional to 1,016,888.87, 1,403,302.77 and 558,011.12

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Solution

The fourth proportional to 1,016,888.87, 1,403,302.77 and 558,011.12 is: 770,053.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,888.87 : 1,403,302.77 = 558,011.12 : x
  2. Step 2: Convert to fraction form
    1,016,888.87/1,403,302.77 = 558,011.12/x
  3. Step 3: Cross multiply
    1,016,888.87x = 1,403,302.77 × 558,011.12
  4. Step 4: Simplify right side
    1,016,888.87x = 783,058,543,370.29
  5. Step 5: Solve for x
    x = 783,058,543,370.29/1,016,888.87
  6. Step 6: Final answer
    x = 770,053.21

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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.