Home / 439,944.11-607,122.86-238,740.11

Finding the Fourth Proportional to 439,944.11, 607,122.86 and 238,740.11

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Solution

The fourth proportional to 439,944.11, 607,122.86 and 238,740.11 is: 329,461.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    439,944.11 : 607,122.86 = 238,740.11 : x
  2. Step 2: Convert to fraction form
    439,944.11/607,122.86 = 238,740.11/x
  3. Step 3: Cross multiply
    439,944.11x = 607,122.86 × 238,740.11
  4. Step 4: Simplify right side
    439,944.11x = 144,944,578,379.92
  5. Step 5: Solve for x
    x = 144,944,578,379.92/439,944.11
  6. Step 6: Final answer
    x = 329,461.35

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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.