Home / 936,357.99-1,404,548.88-329,121.78

Finding the Fourth Proportional to 936,357.99, 1,404,548.88 and 329,121.78

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Solution

The fourth proportional to 936,357.99, 1,404,548.88 and 329,121.78 is: 493,686.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,357.99 : 1,404,548.88 = 329,121.78 : x
  2. Step 2: Convert to fraction form
    936,357.99/1,404,548.88 = 329,121.78/x
  3. Step 3: Cross multiply
    936,357.99x = 1,404,548.88 × 329,121.78
  4. Step 4: Simplify right side
    936,357.99x = 462,267,627,482.61
  5. Step 5: Solve for x
    x = 462,267,627,482.61/936,357.99
  6. Step 6: Final answer
    x = 493,686.85

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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.