Home / 805,141.32-1,110,631.73-482,664.07

Finding the Fourth Proportional to 805,141.32, 1,110,631.73 and 482,664.07

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Solution

The fourth proportional to 805,141.32, 1,110,631.73 and 482,664.07 is: 665,798.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    805,141.32 : 1,110,631.73 = 482,664.07 : x
  2. Step 2: Convert to fraction form
    805,141.32/1,110,631.73 = 482,664.07/x
  3. Step 3: Cross multiply
    805,141.32x = 1,110,631.73 × 482,664.07
  4. Step 4: Simplify right side
    805,141.32x = 536,062,025,158.10
  5. Step 5: Solve for x
    x = 536,062,025,158.10/805,141.32
  6. Step 6: Final answer
    x = 665,798.68

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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.