Home / 651,568.32-899,164.59-396,919.53

Finding the Fourth Proportional to 651,568.32, 899,164.59 and 396,919.53

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Solution

The fourth proportional to 651,568.32, 899,164.59 and 396,919.53 is: 547,749.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    651,568.32 : 899,164.59 = 396,919.53 : x
  2. Step 2: Convert to fraction form
    651,568.32/899,164.59 = 396,919.53/x
  3. Step 3: Cross multiply
    651,568.32x = 899,164.59 × 396,919.53
  4. Step 4: Simplify right side
    651,568.32x = 356,895,986,455.44
  5. Step 5: Solve for x
    x = 356,895,986,455.44/651,568.32
  6. Step 6: Final answer
    x = 547,749.14

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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.