Home / 781,417.76-1,171,893.36-332,136.68

Finding the Fourth Proportional to 781,417.76, 1,171,893.36 and 332,136.68

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Solution

The fourth proportional to 781,417.76, 1,171,893.36 and 332,136.68 is: 498,105.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    781,417.76 : 1,171,893.36 = 332,136.68 : x
  2. Step 2: Convert to fraction form
    781,417.76/1,171,893.36 = 332,136.68/x
  3. Step 3: Cross multiply
    781,417.76x = 1,171,893.36 × 332,136.68
  4. Step 4: Simplify right side
    781,417.76x = 389,228,769,904.45
  5. Step 5: Solve for x
    x = 389,228,769,904.45/781,417.76
  6. Step 6: Final answer
    x = 498,105.87

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Double scale
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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.