Home / 427,570.81-590,047.77-233,978.56

Finding the Fourth Proportional to 427,570.81, 590,047.77 and 233,978.56

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Solution

The fourth proportional to 427,570.81, 590,047.77 and 233,978.56 is: 322,890.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    427,570.81 : 590,047.77 = 233,978.56 : x
  2. Step 2: Convert to fraction form
    427,570.81/590,047.77 = 233,978.56/x
  3. Step 3: Cross multiply
    427,570.81x = 590,047.77 × 233,978.56
  4. Step 4: Simplify right side
    427,570.81x = 138,058,527,555.81
  5. Step 5: Solve for x
    x = 138,058,527,555.81/427,570.81
  6. Step 6: Final answer
    x = 322,890.44

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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.