Home / 622,111.40-933,167.10-423,045.80

Finding the Fourth Proportional to 622,111.40, 933,167.10 and 423,045.80

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Solution

The fourth proportional to 622,111.40, 933,167.10 and 423,045.80 is: 634,568.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,111.40 : 933,167.10 = 423,045.80 : x
  2. Step 2: Convert to fraction form
    622,111.40/933,167.10 = 423,045.80/x
  3. Step 3: Cross multiply
    622,111.40x = 933,167.10 × 423,045.80
  4. Step 4: Simplify right side
    622,111.40x = 394,772,422,353.18
  5. Step 5: Solve for x
    x = 394,772,422,353.18/622,111.40
  6. Step 6: Final answer
    x = 634,568.70

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Similar ratio
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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.