Home / 938,579.72-1,295,232.20-530,761.64

Finding the Fourth Proportional to 938,579.72, 1,295,232.20 and 530,761.64

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Solution

The fourth proportional to 938,579.72, 1,295,232.20 and 530,761.64 is: 732,446.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,579.72 : 1,295,232.20 = 530,761.64 : x
  2. Step 2: Convert to fraction form
    938,579.72/1,295,232.20 = 530,761.64/x
  3. Step 3: Cross multiply
    938,579.72x = 1,295,232.20 × 530,761.64
  4. Step 4: Simplify right side
    938,579.72x = 687,459,566,652.81
  5. Step 5: Solve for x
    x = 687,459,566,652.81/938,579.72
  6. Step 6: Final answer
    x = 732,446.64

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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.