Home / 675,583.20-932,175.34-385,189.29

Finding the Fourth Proportional to 675,583.20, 932,175.34 and 385,189.29

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Solution

The fourth proportional to 675,583.20, 932,175.34 and 385,189.29 is: 531,487.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    675,583.20 : 932,175.34 = 385,189.29 : x
  2. Step 2: Convert to fraction form
    675,583.20/932,175.34 = 385,189.29/x
  3. Step 3: Cross multiply
    675,583.20x = 932,175.34 × 385,189.29
  4. Step 4: Simplify right side
    675,583.20x = 359,063,956,407.14
  5. Step 5: Solve for x
    x = 359,063,956,407.14/675,583.20
  6. Step 6: Final answer
    x = 531,487.40

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.