Home / 427,572.40-590,040.66-233,979.24

Finding the Fourth Proportional to 427,572.40, 590,040.66 and 233,979.24

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Solution

The fourth proportional to 427,572.40, 590,040.66 and 233,979.24 is: 322,886.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,572.40 : 590,040.66 = 233,979.24 : x
  2. Step 2: Convert to fraction form
    427,572.40/590,040.66 = 233,979.24/x
  3. Step 3: Cross multiply
    427,572.40x = 590,040.66 × 233,979.24
  4. Step 4: Simplify right side
    427,572.40x = 138,057,265,195.90
  5. Step 5: Solve for x
    x = 138,057,265,195.90/427,572.40
  6. Step 6: Final answer
    x = 322,886.29

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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.