Home / 439,868.68-607,016.64-238,664.68

Finding the Fourth Proportional to 439,868.68, 607,016.64 and 238,664.68

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Solution

The fourth proportional to 439,868.68, 607,016.64 and 238,664.68 is: 329,356.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,868.68 : 607,016.64 = 238,664.68 : x
  2. Step 2: Convert to fraction form
    439,868.68/607,016.64 = 238,664.68/x
  3. Step 3: Cross multiply
    439,868.68x = 607,016.64 × 238,664.68
  4. Step 4: Simplify right side
    439,868.68x = 144,873,432,140.28
  5. Step 5: Solve for x
    x = 144,873,432,140.28/439,868.68
  6. Step 6: Final answer
    x = 329,356.10

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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.