Home / 786,105.92-1,084,855.20-446,631.68

Finding the Fourth Proportional to 786,105.92, 1,084,855.20 and 446,631.68

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Solution

The fourth proportional to 786,105.92, 1,084,855.20 and 446,631.68 is: 616,368.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,105.92 : 1,084,855.20 = 446,631.68 : x
  2. Step 2: Convert to fraction form
    786,105.92/1,084,855.20 = 446,631.68/x
  3. Step 3: Cross multiply
    786,105.92x = 1,084,855.20 × 446,631.68
  4. Step 4: Simplify right side
    786,105.92x = 484,530,700,532.74
  5. Step 5: Solve for x
    x = 484,530,700,532.74/786,105.92
  6. Step 6: Final answer
    x = 616,368.21

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.