Home / 770,691.89-1,064,571.35-591,616.68

Finding the Fourth Proportional to 770,691.89, 1,064,571.35 and 591,616.68

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Solution

The fourth proportional to 770,691.89, 1,064,571.35 and 591,616.68 is: 817,211.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    770,691.89 : 1,064,571.35 = 591,616.68 : x
  2. Step 2: Convert to fraction form
    770,691.89/1,064,571.35 = 591,616.68/x
  3. Step 3: Cross multiply
    770,691.89x = 1,064,571.35 × 591,616.68
  4. Step 4: Simplify right side
    770,691.89x = 629,818,164,752.04
  5. Step 5: Solve for x
    x = 629,818,164,752.04/770,691.89
  6. Step 6: Final answer
    x = 817,211.36

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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.