Home / 501,302.32-691,787.74-283,507.19

Finding the Fourth Proportional to 501,302.32, 691,787.74 and 283,507.19

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Solution

The fourth proportional to 501,302.32, 691,787.74 and 283,507.19 is: 391,234.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,302.32 : 691,787.74 = 283,507.19 : x
  2. Step 2: Convert to fraction form
    501,302.32/691,787.74 = 283,507.19/x
  3. Step 3: Cross multiply
    501,302.32x = 691,787.74 × 283,507.19
  4. Step 4: Simplify right side
    501,302.32x = 196,126,797,201.92
  5. Step 5: Solve for x
    x = 196,126,797,201.92/501,302.32
  6. Step 6: Final answer
    x = 391,234.57

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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.