Home / 772,421.46-1,158,683.22-267,031.29

Finding the Fourth Proportional to 772,421.46, 1,158,683.22 and 267,031.29

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Solution

The fourth proportional to 772,421.46, 1,158,683.22 and 267,031.29 is: 400,564.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,421.46 : 1,158,683.22 = 267,031.29 : x
  2. Step 2: Convert to fraction form
    772,421.46/1,158,683.22 = 267,031.29/x
  3. Step 3: Cross multiply
    772,421.46x = 1,158,683.22 × 267,031.29
  4. Step 4: Simplify right side
    772,421.46x = 309,404,674,937.95
  5. Step 5: Solve for x
    x = 309,404,674,937.95/772,421.46
  6. Step 6: Final answer
    x = 400,564.58

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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.