Home / 619,397.67-929,009.03-198,618.87

Finding the Fourth Proportional to 619,397.67, 929,009.03 and 198,618.87

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Solution

The fourth proportional to 619,397.67, 929,009.03 and 198,618.87 is: 297,900.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,397.67 : 929,009.03 = 198,618.87 : x
  2. Step 2: Convert to fraction form
    619,397.67/929,009.03 = 198,618.87/x
  3. Step 3: Cross multiply
    619,397.67x = 929,009.03 × 198,618.87
  4. Step 4: Simplify right side
    619,397.67x = 184,518,722,765.30
  5. Step 5: Solve for x
    x = 184,518,722,765.30/619,397.67
  6. Step 6: Final answer
    x = 297,900.25

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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.