Home / 530,208.51-794,309.27-313,418.20

Finding the Fourth Proportional to 530,208.51, 794,309.27 and 313,418.20

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Solution

The fourth proportional to 530,208.51, 794,309.27 and 313,418.20 is: 469,534.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    530,208.51 : 794,309.27 = 313,418.20 : x
  2. Step 2: Convert to fraction form
    530,208.51/794,309.27 = 313,418.20/x
  3. Step 3: Cross multiply
    530,208.51x = 794,309.27 × 313,418.20
  4. Step 4: Simplify right side
    530,208.51x = 248,950,977,675.17
  5. Step 5: Solve for x
    x = 248,950,977,675.17/530,208.51
  6. Step 6: Final answer
    x = 469,534.11

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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.