Home / 726,677.70-1,090,016.55-569,040.90

Finding the Fourth Proportional to 726,677.70, 1,090,016.55 and 569,040.90

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Solution

The fourth proportional to 726,677.70, 1,090,016.55 and 569,040.90 is: 853,561.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,677.70 : 1,090,016.55 = 569,040.90 : x
  2. Step 2: Convert to fraction form
    726,677.70/1,090,016.55 = 569,040.90/x
  3. Step 3: Cross multiply
    726,677.70x = 1,090,016.55 × 569,040.90
  4. Step 4: Simplify right side
    726,677.70x = 620,263,998,626.90
  5. Step 5: Solve for x
    x = 620,263,998,626.90/726,677.70
  6. Step 6: Final answer
    x = 853,561.35

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1.5x scale

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.