Home / 723,763.82-1,085,654.97-191,280.25

Finding the Fourth Proportional to 723,763.82, 1,085,654.97 and 191,280.25

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Solution

The fourth proportional to 723,763.82, 1,085,654.97 and 191,280.25 is: 286,922.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    723,763.82 : 1,085,654.97 = 191,280.25 : x
  2. Step 2: Convert to fraction form
    723,763.82/1,085,654.97 = 191,280.25/x
  3. Step 3: Cross multiply
    723,763.82x = 1,085,654.97 × 191,280.25
  4. Step 4: Simplify right side
    723,763.82x = 207,664,354,075.34
  5. Step 5: Solve for x
    x = 207,664,354,075.34/723,763.82
  6. Step 6: Final answer
    x = 286,922.82

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Double scale
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Similar ratio
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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.