Home / 827,093.40-1,240,640.10-561,672.60

Finding the Fourth Proportional to 827,093.40, 1,240,640.10 and 561,672.60

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Solution

The fourth proportional to 827,093.40, 1,240,640.10 and 561,672.60 is: 842,508.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    827,093.40 : 1,240,640.10 = 561,672.60 : x
  2. Step 2: Convert to fraction form
    827,093.40/1,240,640.10 = 561,672.60/x
  3. Step 3: Cross multiply
    827,093.40x = 1,240,640.10 × 561,672.60
  4. Step 4: Simplify right side
    827,093.40x = 696,833,550,631.26
  5. Step 5: Solve for x
    x = 696,833,550,631.26/827,093.40
  6. Step 6: Final answer
    x = 842,508.90

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Similar ratio
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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.