Home / 976,860.20-1,348,108.89-568,896.20

Finding the Fourth Proportional to 976,860.20, 1,348,108.89 and 568,896.20

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Solution

The fourth proportional to 976,860.20, 1,348,108.89 and 568,896.20 is: 785,101.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    976,860.20 : 1,348,108.89 = 568,896.20 : x
  2. Step 2: Convert to fraction form
    976,860.20/1,348,108.89 = 568,896.20/x
  3. Step 3: Cross multiply
    976,860.20x = 1,348,108.89 × 568,896.20
  4. Step 4: Simplify right side
    976,860.20x = 766,934,024,707.22
  5. Step 5: Solve for x
    x = 766,934,024,707.22/976,860.20
  6. Step 6: Final answer
    x = 785,101.11

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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.