Home / 530,721.24-732,388.03-301,276.50

Finding the Fourth Proportional to 530,721.24, 732,388.03 and 301,276.50

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Solution

The fourth proportional to 530,721.24, 732,388.03 and 301,276.50 is: 415,757.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,721.24 : 732,388.03 = 301,276.50 : x
  2. Step 2: Convert to fraction form
    530,721.24/732,388.03 = 301,276.50/x
  3. Step 3: Cross multiply
    530,721.24x = 732,388.03 × 301,276.50
  4. Step 4: Simplify right side
    530,721.24x = 220,651,302,320.30
  5. Step 5: Solve for x
    x = 220,651,302,320.30/530,721.24
  6. Step 6: Final answer
    x = 415,757.44

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.