Home / 439,847.72-607,559.28-325,359.08

Finding the Fourth Proportional to 439,847.72, 607,559.28 and 325,359.08

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Solution

The fourth proportional to 439,847.72, 607,559.28 and 325,359.08 is: 449,416.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,847.72 : 607,559.28 = 325,359.08 : x
  2. Step 2: Convert to fraction form
    439,847.72/607,559.28 = 325,359.08/x
  3. Step 3: Cross multiply
    439,847.72x = 607,559.28 × 325,359.08
  4. Step 4: Simplify right side
    439,847.72x = 197,674,928,386.26
  5. Step 5: Solve for x
    x = 197,674,928,386.26/439,847.72
  6. Step 6: Final answer
    x = 449,416.74

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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.