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Finding the Fourth Proportional to 683,114.60, 1,022,703.60 and 612,255.80

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Solution

The fourth proportional to 683,114.60, 1,022,703.60 and 612,255.80 is: 916,619.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,114.60 : 1,022,703.60 = 612,255.80 : x
  2. Step 2: Convert to fraction form
    683,114.60/1,022,703.60 = 612,255.80/x
  3. Step 3: Cross multiply
    683,114.60x = 1,022,703.60 × 612,255.80
  4. Step 4: Simplify right side
    683,114.60x = 626,156,210,780.88
  5. Step 5: Solve for x
    x = 626,156,210,780.88/683,114.60
  6. Step 6: Final answer
    x = 916,619.57

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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.