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Finding the Fourth Proportional to 892,794.56, 1,231,864.81 and 530,340.62

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Solution

The fourth proportional to 892,794.56, 1,231,864.81 and 530,340.62 is: 731,756.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    892,794.56 : 1,231,864.81 = 530,340.62 : x
  2. Step 2: Convert to fraction form
    892,794.56/1,231,864.81 = 530,340.62/x
  3. Step 3: Cross multiply
    892,794.56x = 1,231,864.81 × 530,340.62
  4. Step 4: Simplify right side
    892,794.56x = 653,307,939,606.41
  5. Step 5: Solve for x
    x = 653,307,939,606.41/892,794.56
  6. Step 6: Final answer
    x = 731,756.19

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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.