Home / 320,925.03-480,600.22-215,424.15

Finding the Fourth Proportional to 320,925.03, 480,600.22 and 215,424.15

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Solution

The fourth proportional to 320,925.03, 480,600.22 and 215,424.15 is: 322,607.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    320,925.03 : 480,600.22 = 215,424.15 : x
  2. Step 2: Convert to fraction form
    320,925.03/480,600.22 = 215,424.15/x
  3. Step 3: Cross multiply
    320,925.03x = 480,600.22 × 215,424.15
  4. Step 4: Simplify right side
    320,925.03x = 103,532,893,883.31
  5. Step 5: Solve for x
    x = 103,532,893,883.31/320,925.03
  6. Step 6: Final answer
    x = 322,607.73

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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.