Home / 622,108.40-933,162.60-423,042.80

Finding the Fourth Proportional to 622,108.40, 933,162.60 and 423,042.80

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Solution

The fourth proportional to 622,108.40, 933,162.60 and 423,042.80 is: 634,564.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,108.40 : 933,162.60 = 423,042.80 : x
  2. Step 2: Convert to fraction form
    622,108.40/933,162.60 = 423,042.80/x
  3. Step 3: Cross multiply
    622,108.40x = 933,162.60 × 423,042.80
  4. Step 4: Simplify right side
    622,108.40x = 394,767,719,159.28
  5. Step 5: Solve for x
    x = 394,767,719,159.28/622,108.40
  6. Step 6: Final answer
    x = 634,564.20

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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.