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Finding the Fourth Proportional to 771,087.94, 1,062,200.03 and 655,997.97

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Solution

The fourth proportional to 771,087.94, 1,062,200.03 and 655,997.97 is: 903,659.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    771,087.94 : 1,062,200.03 = 655,997.97 : x
  2. Step 2: Convert to fraction form
    771,087.94/1,062,200.03 = 655,997.97/x
  3. Step 3: Cross multiply
    771,087.94x = 1,062,200.03 × 655,997.97
  4. Step 4: Simplify right side
    771,087.94x = 696,801,064,117.20
  5. Step 5: Solve for x
    x = 696,801,064,117.20/771,087.94
  6. Step 6: Final answer
    x = 903,659.66

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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.