Home / 769,443.94-1,154,225.49-257,110.85

Finding the Fourth Proportional to 769,443.94, 1,154,225.49 and 257,110.85

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Solution

The fourth proportional to 769,443.94, 1,154,225.49 and 257,110.85 is: 385,686.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    769,443.94 : 1,154,225.49 = 257,110.85 : x
  2. Step 2: Convert to fraction form
    769,443.94/1,154,225.49 = 257,110.85/x
  3. Step 3: Cross multiply
    769,443.94x = 1,154,225.49 × 257,110.85
  4. Step 4: Simplify right side
    769,443.94x = 296,763,896,825.57
  5. Step 5: Solve for x
    x = 296,763,896,825.57/769,443.94
  6. Step 6: Final answer
    x = 385,686.18

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Double scale
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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.