Home / 814,352.98-1,221,529.47-441,104.98

Finding the Fourth Proportional to 814,352.98, 1,221,529.47 and 441,104.98

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Solution

The fourth proportional to 814,352.98, 1,221,529.47 and 441,104.98 is: 661,657.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    814,352.98 : 1,221,529.47 = 441,104.98 : x
  2. Step 2: Convert to fraction form
    814,352.98/1,221,529.47 = 441,104.98/x
  3. Step 3: Cross multiply
    814,352.98x = 1,221,529.47 × 441,104.98
  4. Step 4: Simplify right side
    814,352.98x = 538,822,732,433.76
  5. Step 5: Solve for x
    x = 538,822,732,433.76/814,352.98
  6. Step 6: Final answer
    x = 661,657.47

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Double scale
Find fourth proportional to 814,353.98, 1,221,530.97 and 441,105.98
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.