Home / 1,115,309.88-1,672,024.32-483,748.20

Finding the Fourth Proportional to 1,115,309.88, 1,672,024.32 and 483,748.20

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Solution

The fourth proportional to 1,115,309.88, 1,672,024.32 and 483,748.20 is: 725,214.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,115,309.88 : 1,672,024.32 = 483,748.20 : x
  2. Step 2: Convert to fraction form
    1,115,309.88/1,672,024.32 = 483,748.20/x
  3. Step 3: Cross multiply
    1,115,309.88x = 1,672,024.32 × 483,748.20
  4. Step 4: Simplify right side
    1,115,309.88x = 808,838,755,156.22
  5. Step 5: Solve for x
    x = 808,838,755,156.22/1,115,309.88
  6. Step 6: Final answer
    x = 725,214.37

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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.