Home / 609,161.03-913,802.75-209,748.95

Finding the Fourth Proportional to 609,161.03, 913,802.75 and 209,748.95

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Solution

The fourth proportional to 609,161.03, 913,802.75 and 209,748.95 is: 314,644.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    609,161.03 : 913,802.75 = 209,748.95 : x
  2. Step 2: Convert to fraction form
    609,161.03/913,802.75 = 209,748.95/x
  3. Step 3: Cross multiply
    609,161.03x = 913,802.75 × 209,748.95
  4. Step 4: Simplify right side
    609,161.03x = 191,669,167,319.61
  5. Step 5: Solve for x
    x = 191,669,167,319.61/609,161.03
  6. Step 6: Final answer
    x = 314,644.50

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1.5x scale

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.