Home / 527,010.77-727,274.03-285,293.28

Finding the Fourth Proportional to 527,010.77, 727,274.03 and 285,293.28

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Solution

The fourth proportional to 527,010.77, 727,274.03 and 285,293.28 is: 393,704.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,010.77 : 727,274.03 = 285,293.28 : x
  2. Step 2: Convert to fraction form
    527,010.77/727,274.03 = 285,293.28/x
  3. Step 3: Cross multiply
    527,010.77x = 727,274.03 × 285,293.28
  4. Step 4: Simplify right side
    527,010.77x = 207,486,392,732.87
  5. Step 5: Solve for x
    x = 207,486,392,732.87/527,010.77
  6. Step 6: Final answer
    x = 393,704.27

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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.