Home / 823,291.20-1,234,936.80-657,403.20

Finding the Fourth Proportional to 823,291.20, 1,234,936.80 and 657,403.20

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Solution

The fourth proportional to 823,291.20, 1,234,936.80 and 657,403.20 is: 986,104.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    823,291.20 : 1,234,936.80 = 657,403.20 : x
  2. Step 2: Convert to fraction form
    823,291.20/1,234,936.80 = 657,403.20/x
  3. Step 3: Cross multiply
    823,291.20x = 1,234,936.80 × 657,403.20
  4. Step 4: Simplify right side
    823,291.20x = 811,851,404,117.76
  5. Step 5: Solve for x
    x = 811,851,404,117.76/823,291.20
  6. Step 6: Final answer
    x = 986,104.80

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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.