Home / 770,824.20-1,154,681.10-534,433.80

Finding the Fourth Proportional to 770,824.20, 1,154,681.10 and 534,433.80

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Solution

The fourth proportional to 770,824.20, 1,154,681.10 and 534,433.80 is: 800,572.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,824.20 : 1,154,681.10 = 534,433.80 : x
  2. Step 2: Convert to fraction form
    770,824.20/1,154,681.10 = 534,433.80/x
  3. Step 3: Cross multiply
    770,824.20x = 1,154,681.10 × 534,433.80
  4. Step 4: Simplify right side
    770,824.20x = 617,100,608,061.18
  5. Step 5: Solve for x
    x = 617,100,608,061.18/770,824.20
  6. Step 6: Final answer
    x = 800,572.44

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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.