Home / 697,718.80-1,046,578.20-192,278.80

Finding the Fourth Proportional to 697,718.80, 1,046,578.20 and 192,278.80

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Solution

The fourth proportional to 697,718.80, 1,046,578.20 and 192,278.80 is: 288,418.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,718.80 : 1,046,578.20 = 192,278.80 : x
  2. Step 2: Convert to fraction form
    697,718.80/1,046,578.20 = 192,278.80/x
  3. Step 3: Cross multiply
    697,718.80x = 1,046,578.20 × 192,278.80
  4. Step 4: Simplify right side
    697,718.80x = 201,234,800,402.16
  5. Step 5: Solve for x
    x = 201,234,800,402.16/697,718.80
  6. Step 6: Final answer
    x = 288,418.20

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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.