Home / 619,518.65-929,288.23-170,236.74

Finding the Fourth Proportional to 619,518.65, 929,288.23 and 170,236.74

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Solution

The fourth proportional to 619,518.65, 929,288.23 and 170,236.74 is: 255,357.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    619,518.65 : 929,288.23 = 170,236.74 : x
  2. Step 2: Convert to fraction form
    619,518.65/929,288.23 = 170,236.74/x
  3. Step 3: Cross multiply
    619,518.65x = 929,288.23 × 170,236.74
  4. Step 4: Simplify right side
    619,518.65x = 158,199,001,854.81
  5. Step 5: Solve for x
    x = 158,199,001,854.81/619,518.65
  6. Step 6: Final answer
    x = 255,357.93

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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.