Home / 859,664.30-1,289,496.45-461,083.55

Finding the Fourth Proportional to 859,664.30, 1,289,496.45 and 461,083.55

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Solution

The fourth proportional to 859,664.30, 1,289,496.45 and 461,083.55 is: 691,625.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,664.30 : 1,289,496.45 = 461,083.55 : x
  2. Step 2: Convert to fraction form
    859,664.30/1,289,496.45 = 461,083.55/x
  3. Step 3: Cross multiply
    859,664.30x = 1,289,496.45 × 461,083.55
  4. Step 4: Simplify right side
    859,664.30x = 594,565,600,878.40
  5. Step 5: Solve for x
    x = 594,565,600,878.40/859,664.30
  6. Step 6: Final answer
    x = 691,625.33

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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.