Home / 733,778.60-1,100,667.90-260,511.80

Finding the Fourth Proportional to 733,778.60, 1,100,667.90 and 260,511.80

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Solution

The fourth proportional to 733,778.60, 1,100,667.90 and 260,511.80 is: 390,767.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,778.60 : 1,100,667.90 = 260,511.80 : x
  2. Step 2: Convert to fraction form
    733,778.60/1,100,667.90 = 260,511.80/x
  3. Step 3: Cross multiply
    733,778.60x = 1,100,667.90 × 260,511.80
  4. Step 4: Simplify right side
    733,778.60x = 286,736,975,831.22
  5. Step 5: Solve for x
    x = 286,736,975,831.22/733,778.60
  6. Step 6: Final answer
    x = 390,767.70

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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.