Home / 683,129.58-940,631.94-619,050.48

Finding the Fourth Proportional to 683,129.58, 940,631.94 and 619,050.48

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Solution

The fourth proportional to 683,129.58, 940,631.94 and 619,050.48 is: 852,398.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,129.58 : 940,631.94 = 619,050.48 : x
  2. Step 2: Convert to fraction form
    683,129.58/940,631.94 = 619,050.48/x
  3. Step 3: Cross multiply
    683,129.58x = 940,631.94 × 619,050.48
  4. Step 4: Simplify right side
    683,129.58x = 582,298,653,960.33
  5. Step 5: Solve for x
    x = 582,298,653,960.33/683,129.58
  6. Step 6: Final answer
    x = 852,398.54

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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.