Home / 501,262.24-691,677.90-286,416.22

Finding the Fourth Proportional to 501,262.24, 691,677.90 and 286,416.22

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Solution

The fourth proportional to 501,262.24, 691,677.90 and 286,416.22 is: 395,217.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,262.24 : 691,677.90 = 286,416.22 : x
  2. Step 2: Convert to fraction form
    501,262.24/691,677.90 = 286,416.22/x
  3. Step 3: Cross multiply
    501,262.24x = 691,677.90 × 286,416.22
  4. Step 4: Simplify right side
    501,262.24x = 198,107,769,575.54
  5. Step 5: Solve for x
    x = 198,107,769,575.54/501,262.24
  6. Step 6: Final answer
    x = 395,217.82

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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.