Home / 611,700.62-844,119.48-339,787.26

Finding the Fourth Proportional to 611,700.62, 844,119.48 and 339,787.26

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Solution

The fourth proportional to 611,700.62, 844,119.48 and 339,787.26 is: 468,891.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    611,700.62 : 844,119.48 = 339,787.26 : x
  2. Step 2: Convert to fraction form
    611,700.62/844,119.48 = 339,787.26/x
  3. Step 3: Cross multiply
    611,700.62x = 844,119.48 × 339,787.26
  4. Step 4: Simplify right side
    611,700.62x = 286,821,045,221.83
  5. Step 5: Solve for x
    x = 286,821,045,221.83/611,700.62
  6. Step 6: Final answer
    x = 468,891.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.