Home / 578,712.96-867,197.69-515,646.03

Finding the Fourth Proportional to 578,712.96, 867,197.69 and 515,646.03

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Solution

The fourth proportional to 578,712.96, 867,197.69 and 515,646.03 is: 772,692.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    578,712.96 : 867,197.69 = 515,646.03 : x
  2. Step 2: Convert to fraction form
    578,712.96/867,197.69 = 515,646.03/x
  3. Step 3: Cross multiply
    578,712.96x = 867,197.69 × 515,646.03
  4. Step 4: Simplify right side
    578,712.96x = 447,167,043,495.44
  5. Step 5: Solve for x
    x = 447,167,043,495.44/578,712.96
  6. Step 6: Final answer
    x = 772,692.29

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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.