Home / 619,788.18-929,559.87-170,393.16

Finding the Fourth Proportional to 619,788.18, 929,559.87 and 170,393.16

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Solution

The fourth proportional to 619,788.18, 929,559.87 and 170,393.16 is: 255,556.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,788.18 : 929,559.87 = 170,393.16 : x
  2. Step 2: Convert to fraction form
    619,788.18/929,559.87 = 170,393.16/x
  3. Step 3: Cross multiply
    619,788.18x = 929,559.87 × 170,393.16
  4. Step 4: Simplify right side
    619,788.18x = 158,390,643,658.49
  5. Step 5: Solve for x
    x = 158,390,643,658.49/619,788.18
  6. Step 6: Final answer
    x = 255,556.09

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Double scale
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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.