Home / 501,265.26-691,682.04-286,419.24

Finding the Fourth Proportional to 501,265.26, 691,682.04 and 286,419.24

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Solution

The fourth proportional to 501,265.26, 691,682.04 and 286,419.24 is: 395,221.97

Step by Step Solution

  1. Step 1: Write the proportion equation
    501,265.26 : 691,682.04 = 286,419.24 : x
  2. Step 2: Convert to fraction form
    501,265.26/691,682.04 = 286,419.24/x
  3. Step 3: Cross multiply
    501,265.26x = 691,682.04 × 286,419.24
  4. Step 4: Simplify right side
    501,265.26x = 198,111,044,218.45
  5. Step 5: Solve for x
    x = 198,111,044,218.45/501,265.26
  6. Step 6: Final answer
    x = 395,221.97

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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.