Home / 619,789.18-929,561.37-170,394.16

Finding the Fourth Proportional to 619,789.18, 929,561.37 and 170,394.16

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Solution

The fourth proportional to 619,789.18, 929,561.37 and 170,394.16 is: 255,557.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,789.18 : 929,561.37 = 170,394.16 : x
  2. Step 2: Convert to fraction form
    619,789.18/929,561.37 = 170,394.16/x
  3. Step 3: Cross multiply
    619,789.18x = 929,561.37 × 170,394.16
  4. Step 4: Simplify right side
    619,789.18x = 158,391,828,809.60
  5. Step 5: Solve for x
    x = 158,391,828,809.60/619,789.18
  6. Step 6: Final answer
    x = 255,557.59

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Similar ratio
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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.