Home / 622,151.40-933,227.10-423,085.80

Finding the Fourth Proportional to 622,151.40, 933,227.10 and 423,085.80

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Solution

The fourth proportional to 622,151.40, 933,227.10 and 423,085.80 is: 634,628.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,151.40 : 933,227.10 = 423,085.80 : x
  2. Step 2: Convert to fraction form
    622,151.40/933,227.10 = 423,085.80/x
  3. Step 3: Cross multiply
    622,151.40x = 933,227.10 × 423,085.80
  4. Step 4: Simplify right side
    622,151.40x = 394,835,134,185.18
  5. Step 5: Solve for x
    x = 394,835,134,185.18/622,151.40
  6. Step 6: Final answer
    x = 634,628.70

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Double scale
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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.