Home / 683,263.92-942,834.42-396,844.68

Finding the Fourth Proportional to 683,263.92, 942,834.42 and 396,844.68

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Solution

The fourth proportional to 683,263.92, 942,834.42 and 396,844.68 is: 547,605.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,263.92 : 942,834.42 = 396,844.68 : x
  2. Step 2: Convert to fraction form
    683,263.92/942,834.42 = 396,844.68/x
  3. Step 3: Cross multiply
    683,263.92x = 942,834.42 × 396,844.68
  4. Step 4: Simplify right side
    683,263.92x = 374,158,823,697.89
  5. Step 5: Solve for x
    x = 374,158,823,697.89/683,263.92
  6. Step 6: Final answer
    x = 547,605.12

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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.