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Finding the Fourth Proportional to 707,571.64, 1,059,740.57 and 555,422.39

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Solution

The fourth proportional to 707,571.64, 1,059,740.57 and 555,422.39 is: 831,864.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    707,571.64 : 1,059,740.57 = 555,422.39 : x
  2. Step 2: Convert to fraction form
    707,571.64/1,059,740.57 = 555,422.39/x
  3. Step 3: Cross multiply
    707,571.64x = 1,059,740.57 × 555,422.39
  4. Step 4: Simplify right side
    707,571.64x = 588,603,637,392.25
  5. Step 5: Solve for x
    x = 588,603,637,392.25/707,571.64
  6. Step 6: Final answer
    x = 831,864.37

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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.