Home / 779,882.25-1,169,823.39-281,246.25

Finding the Fourth Proportional to 779,882.25, 1,169,823.39 and 281,246.25

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Solution

The fourth proportional to 779,882.25, 1,169,823.39 and 281,246.25 is: 421,869.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    779,882.25 : 1,169,823.39 = 281,246.25 : x
  2. Step 2: Convert to fraction form
    779,882.25/1,169,823.39 = 281,246.25/x
  3. Step 3: Cross multiply
    779,882.25x = 1,169,823.39 × 281,246.25
  4. Step 4: Simplify right side
    779,882.25x = 329,008,441,599.79
  5. Step 5: Solve for x
    x = 329,008,441,599.79/779,882.25
  6. Step 6: Final answer
    x = 421,869.38

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Half scale
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Double scale
Find fourth proportional to 779,883.25, 1,169,824.89 and 281,247.25
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.