Home / 427,825.38-590,403.69-236,842.14

Finding the Fourth Proportional to 427,825.38, 590,403.69 and 236,842.14

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Solution

The fourth proportional to 427,825.38, 590,403.69 and 236,842.14 is: 326,844.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,825.38 : 590,403.69 = 236,842.14 : x
  2. Step 2: Convert to fraction form
    427,825.38/590,403.69 = 236,842.14/x
  3. Step 3: Cross multiply
    427,825.38x = 590,403.69 × 236,842.14
  4. Step 4: Simplify right side
    427,825.38x = 139,832,473,403.50
  5. Step 5: Solve for x
    x = 139,832,473,403.50/427,825.38
  6. Step 6: Final answer
    x = 326,844.74

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Half scale
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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.