Home / 816,108.38-1,126,140.12-471,892.22

Finding the Fourth Proportional to 816,108.38, 1,126,140.12 and 471,892.22

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Solution

The fourth proportional to 816,108.38, 1,126,140.12 and 471,892.22 is: 651,159.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,108.38 : 1,126,140.12 = 471,892.22 : x
  2. Step 2: Convert to fraction form
    816,108.38/1,126,140.12 = 471,892.22/x
  3. Step 3: Cross multiply
    816,108.38x = 1,126,140.12 × 471,892.22
  4. Step 4: Simplify right side
    816,108.38x = 531,416,761,257.87
  5. Step 5: Solve for x
    x = 531,416,761,257.87/816,108.38
  6. Step 6: Final answer
    x = 651,159.54

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Half scale
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Double scale
Find fourth proportional to 816,109.38, 1,126,141.50 and 471,893.22
Similar ratio
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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.