Home / 748,005.03-1,122,104.07-343,099.44

Finding the Fourth Proportional to 748,005.03, 1,122,104.07 and 343,099.44

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Solution

The fourth proportional to 748,005.03, 1,122,104.07 and 343,099.44 is: 514,693.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,005.03 : 1,122,104.07 = 343,099.44 : x
  2. Step 2: Convert to fraction form
    748,005.03/1,122,104.07 = 343,099.44/x
  3. Step 3: Cross multiply
    748,005.03x = 1,122,104.07 × 343,099.44
  4. Step 4: Simplify right side
    748,005.03x = 384,993,278,038.72
  5. Step 5: Solve for x
    x = 384,993,278,038.72/748,005.03
  6. Step 6: Final answer
    x = 514,693.43

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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.