Home / 769,252.20-1,152,323.10-517,309.80

Finding the Fourth Proportional to 769,252.20, 1,152,323.10 and 517,309.80

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Solution

The fourth proportional to 769,252.20, 1,152,323.10 and 517,309.80 is: 774,918.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,252.20 : 1,152,323.10 = 517,309.80 : x
  2. Step 2: Convert to fraction form
    769,252.20/1,152,323.10 = 517,309.80/x
  3. Step 3: Cross multiply
    769,252.20x = 1,152,323.10 × 517,309.80
  4. Step 4: Simplify right side
    769,252.20x = 596,108,032,396.38
  5. Step 5: Solve for x
    x = 596,108,032,396.38/769,252.20
  6. Step 6: Final answer
    x = 774,918.85

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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.