Home / 622,922.10-934,383.15-611,112.30

Finding the Fourth Proportional to 622,922.10, 934,383.15 and 611,112.30

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Solution

The fourth proportional to 622,922.10, 934,383.15 and 611,112.30 is: 916,668.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    622,922.10 : 934,383.15 = 611,112.30 : x
  2. Step 2: Convert to fraction form
    622,922.10/934,383.15 = 611,112.30/x
  3. Step 3: Cross multiply
    622,922.10x = 934,383.15 × 611,112.30
  4. Step 4: Simplify right side
    622,922.10x = 571,013,035,877.75
  5. Step 5: Solve for x
    x = 571,013,035,877.75/622,922.10
  6. Step 6: Final answer
    x = 916,668.45

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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.