Home / 528,041.08-791,997.30-154,064.44

Finding the Fourth Proportional to 528,041.08, 791,997.30 and 154,064.44

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Solution

The fourth proportional to 528,041.08, 791,997.30 and 154,064.44 is: 231,077.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,041.08 : 791,997.30 = 154,064.44 : x
  2. Step 2: Convert to fraction form
    528,041.08/791,997.30 = 154,064.44/x
  3. Step 3: Cross multiply
    528,041.08x = 791,997.30 × 154,064.44
  4. Step 4: Simplify right side
    528,041.08x = 122,018,620,506.01
  5. Step 5: Solve for x
    x = 122,018,620,506.01/528,041.08
  6. Step 6: Final answer
    x = 231,077.89

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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.