Home / 609,920.10-841,987.17-406,091.70

Finding the Fourth Proportional to 609,920.10, 841,987.17 and 406,091.70

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Solution

The fourth proportional to 609,920.10, 841,987.17 and 406,091.70 is: 560,604.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,920.10 : 841,987.17 = 406,091.70 : x
  2. Step 2: Convert to fraction form
    609,920.10/841,987.17 = 406,091.70/x
  3. Step 3: Cross multiply
    609,920.10x = 841,987.17 × 406,091.70
  4. Step 4: Simplify right side
    609,920.10x = 341,924,001,243.49
  5. Step 5: Solve for x
    x = 341,924,001,243.49/609,920.10
  6. Step 6: Final answer
    x = 560,604.58

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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.