Home / 822,111.70-1,231,174.35-568,681.06

Finding the Fourth Proportional to 822,111.70, 1,231,174.35 and 568,681.06

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Solution

The fourth proportional to 822,111.70, 1,231,174.35 and 568,681.06 is: 851,642.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    822,111.70 : 1,231,174.35 = 568,681.06 : x
  2. Step 2: Convert to fraction form
    822,111.70/1,231,174.35 = 568,681.06/x
  3. Step 3: Cross multiply
    822,111.70x = 1,231,174.35 × 568,681.06
  4. Step 4: Simplify right side
    822,111.70x = 700,145,534,402.81
  5. Step 5: Solve for x
    x = 700,145,534,402.81/822,111.70
  6. Step 6: Final answer
    x = 851,642.83

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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.