Home / 769,066.76-1,061,779.70-527,745.80

Finding the Fourth Proportional to 769,066.76, 1,061,779.70 and 527,745.80

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Solution

The fourth proportional to 769,066.76, 1,061,779.70 and 527,745.80 is: 728,610.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,066.76 : 1,061,779.70 = 527,745.80 : x
  2. Step 2: Convert to fraction form
    769,066.76/1,061,779.70 = 527,745.80/x
  3. Step 3: Cross multiply
    769,066.76x = 1,061,779.70 × 527,745.80
  4. Step 4: Simplify right side
    769,066.76x = 560,349,777,200.26
  5. Step 5: Solve for x
    x = 560,349,777,200.26/769,066.76
  6. Step 6: Final answer
    x = 728,610.06

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Double scale
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1.5x scale

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.