Home / 823,901.80-1,233,228.30-587,705.80

Finding the Fourth Proportional to 823,901.80, 1,233,228.30 and 587,705.80

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Solution

The fourth proportional to 823,901.80, 1,233,228.30 and 587,705.80 is: 879,686.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,901.80 : 1,233,228.30 = 587,705.80 : x
  2. Step 2: Convert to fraction form
    823,901.80/1,233,228.30 = 587,705.80/x
  3. Step 3: Cross multiply
    823,901.80x = 1,233,228.30 × 587,705.80
  4. Step 4: Simplify right side
    823,901.80x = 724,775,424,634.14
  5. Step 5: Solve for x
    x = 724,775,424,634.14/823,901.80
  6. Step 6: Final answer
    x = 879,686.66

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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.