Home / 622,038.12-857,627.91-406,837.32

Finding the Fourth Proportional to 622,038.12, 857,627.91 and 406,837.32

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Solution

The fourth proportional to 622,038.12, 857,627.91 and 406,837.32 is: 560,922.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,038.12 : 857,627.91 = 406,837.32 : x
  2. Step 2: Convert to fraction form
    622,038.12/857,627.91 = 406,837.32/x
  3. Step 3: Cross multiply
    622,038.12x = 857,627.91 × 406,837.32
  4. Step 4: Simplify right side
    622,038.12x = 348,915,040,461.60
  5. Step 5: Solve for x
    x = 348,915,040,461.60/622,038.12
  6. Step 6: Final answer
    x = 560,922.28

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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.