Home / 657,306.72-907,636.48-416,015.04

Finding the Fourth Proportional to 657,306.72, 907,636.48 and 416,015.04

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Solution

The fourth proportional to 657,306.72, 907,636.48 and 416,015.04 is: 574,450.88

Step by Step Solution

  1. Step 1: Write the proportion equation
    657,306.72 : 907,636.48 = 416,015.04 : x
  2. Step 2: Convert to fraction form
    657,306.72/907,636.48 = 416,015.04/x
  3. Step 3: Cross multiply
    657,306.72x = 907,636.48 × 416,015.04
  4. Step 4: Simplify right side
    657,306.72x = 377,590,426,532.66
  5. Step 5: Solve for x
    x = 377,590,426,532.66/657,306.72
  6. Step 6: Final answer
    x = 574,450.88

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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.