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Finding the Fourth Proportional to 986,907.68, 1,361,364.10 and 594,167.22

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Solution

The fourth proportional to 986,907.68, 1,361,364.10 and 594,167.22 is: 819,608.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    986,907.68 : 1,361,364.10 = 594,167.22 : x
  2. Step 2: Convert to fraction form
    986,907.68/1,361,364.10 = 594,167.22/x
  3. Step 3: Cross multiply
    986,907.68x = 1,361,364.10 × 594,167.22
  4. Step 4: Simplify right side
    986,907.68x = 808,877,922,704.80
  5. Step 5: Solve for x
    x = 808,877,922,704.80/986,907.68
  6. Step 6: Final answer
    x = 819,608.50

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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.