Home / 622,400.01-858,938.42-346,757.61

Finding the Fourth Proportional to 622,400.01, 858,938.42 and 346,757.61

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Solution

The fourth proportional to 622,400.01, 858,938.42 and 346,757.61 is: 478,540.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,400.01 : 858,938.42 = 346,757.61 : x
  2. Step 2: Convert to fraction form
    622,400.01/858,938.42 = 346,757.61/x
  3. Step 3: Cross multiply
    622,400.01x = 858,938.42 × 346,757.61
  4. Step 4: Simplify right side
    622,400.01x = 297,843,433,656.38
  5. Step 5: Solve for x
    x = 297,843,433,656.38/622,400.01
  6. Step 6: Final answer
    x = 478,540.21

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.