Home / 527,137.27-726,905.75-450,908.72

Finding the Fourth Proportional to 527,137.27, 726,905.75 and 450,908.72

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Solution

The fourth proportional to 527,137.27, 726,905.75 and 450,908.72 is: 621,788.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    527,137.27 : 726,905.75 = 450,908.72 : x
  2. Step 2: Convert to fraction form
    527,137.27/726,905.75 = 450,908.72/x
  3. Step 3: Cross multiply
    527,137.27x = 726,905.75 × 450,908.72
  4. Step 4: Simplify right side
    527,137.27x = 327,768,142,218.81
  5. Step 5: Solve for x
    x = 327,768,142,218.81/527,137.27
  6. Step 6: Final answer
    x = 621,788.98

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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.