Home / 415,111.24-622,667.10-148,888.36

Finding the Fourth Proportional to 415,111.24, 622,667.10 and 148,888.36

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Solution

The fourth proportional to 415,111.24, 622,667.10 and 148,888.36 is: 223,332.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    415,111.24 : 622,667.10 = 148,888.36 : x
  2. Step 2: Convert to fraction form
    415,111.24/622,667.10 = 148,888.36/x
  3. Step 3: Cross multiply
    415,111.24x = 622,667.10 × 148,888.36
  4. Step 4: Simplify right side
    415,111.24x = 92,707,883,344.96
  5. Step 5: Solve for x
    x = 92,707,883,344.96/415,111.24
  6. Step 6: Final answer
    x = 223,332.63

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.