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Finding the Fourth Proportional to 895,792.80, 1,340,408.70 and 659,596.80

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Solution

The fourth proportional to 895,792.80, 1,340,408.70 and 659,596.80 is: 986,979.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,792.80 : 1,340,408.70 = 659,596.80 : x
  2. Step 2: Convert to fraction form
    895,792.80/1,340,408.70 = 659,596.80/x
  3. Step 3: Cross multiply
    895,792.80x = 1,340,408.70 × 659,596.80
  4. Step 4: Simplify right side
    895,792.80x = 884,129,289,212.16
  5. Step 5: Solve for x
    x = 884,129,289,212.16/895,792.80
  6. Step 6: Final answer
    x = 986,979.68

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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.