Home / 683,143.54-942,733.29-377,238.94

Finding the Fourth Proportional to 683,143.54, 942,733.29 and 377,238.94

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Solution

The fourth proportional to 683,143.54, 942,733.29 and 377,238.94 is: 520,587.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,143.54 : 942,733.29 = 377,238.94 : x
  2. Step 2: Convert to fraction form
    683,143.54/942,733.29 = 377,238.94/x
  3. Step 3: Cross multiply
    683,143.54x = 942,733.29 × 377,238.94
  4. Step 4: Simplify right side
    683,143.54x = 355,635,707,022.31
  5. Step 5: Solve for x
    x = 355,635,707,022.31/683,143.54
  6. Step 6: Final answer
    x = 520,587.09

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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.