Home / 761,972.00-1,051,568.51-422,440.25

Finding the Fourth Proportional to 761,972.00, 1,051,568.51 and 422,440.25

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Solution

The fourth proportional to 761,972.00, 1,051,568.51 and 422,440.25 is: 582,993.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    761,972.00 : 1,051,568.51 = 422,440.25 : x
  2. Step 2: Convert to fraction form
    761,972.00/1,051,568.51 = 422,440.25/x
  3. Step 3: Cross multiply
    761,972.00x = 1,051,568.51 × 422,440.25
  4. Step 4: Simplify right side
    761,972.00x = 444,224,856,886.48
  5. Step 5: Solve for x
    x = 444,224,856,886.48/761,972.00
  6. Step 6: Final answer
    x = 582,993.68

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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.