Home / 668,987.65-1,003,489.67-195,682.58

Finding the Fourth Proportional to 668,987.65, 1,003,489.67 and 195,682.58

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Solution

The fourth proportional to 668,987.65, 1,003,489.67 and 195,682.58 is: 293,526.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    668,987.65 : 1,003,489.67 = 195,682.58 : x
  2. Step 2: Convert to fraction form
    668,987.65/1,003,489.67 = 195,682.58/x
  3. Step 3: Cross multiply
    668,987.65x = 1,003,489.67 × 195,682.58
  4. Step 4: Simplify right side
    668,987.65x = 196,365,443,100.71
  5. Step 5: Solve for x
    x = 196,365,443,100.71/668,987.65
  6. Step 6: Final answer
    x = 293,526.26

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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.