Home / 439,074.82-605,919.45-237,870.34

Finding the Fourth Proportional to 439,074.82, 605,919.45 and 237,870.34

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Solution

The fourth proportional to 439,074.82, 605,919.45 and 237,870.34 is: 328,259.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,074.82 : 605,919.45 = 237,870.34 : x
  2. Step 2: Convert to fraction form
    439,074.82/605,919.45 = 237,870.34/x
  3. Step 3: Cross multiply
    439,074.82x = 605,919.45 × 237,870.34
  4. Step 4: Simplify right side
    439,074.82x = 144,130,265,584.11
  5. Step 5: Solve for x
    x = 144,130,265,584.11/439,074.82
  6. Step 6: Final answer
    x = 328,259.01

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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.