Home / 514,596.02-772,105.44-215,139.84

Finding the Fourth Proportional to 514,596.02, 772,105.44 and 215,139.84

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Solution

The fourth proportional to 514,596.02, 772,105.44 and 215,139.84 is: 322,798.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    514,596.02 : 772,105.44 = 215,139.84 : x
  2. Step 2: Convert to fraction form
    514,596.02/772,105.44 = 215,139.84/x
  3. Step 3: Cross multiply
    514,596.02x = 772,105.44 × 215,139.84
  4. Step 4: Simplify right side
    514,596.02x = 166,110,640,824.73
  5. Step 5: Solve for x
    x = 166,110,640,824.73/514,596.02
  6. Step 6: Final answer
    x = 322,798.15

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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.