Home / 817,898.88-1,129,645.20-545,493.48

Finding the Fourth Proportional to 817,898.88, 1,129,645.20 and 545,493.48

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Solution

The fourth proportional to 817,898.88, 1,129,645.20 and 545,493.48 is: 753,411.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    817,898.88 : 1,129,645.20 = 545,493.48 : x
  2. Step 2: Convert to fraction form
    817,898.88/1,129,645.20 = 545,493.48/x
  3. Step 3: Cross multiply
    817,898.88x = 1,129,645.20 × 545,493.48
  4. Step 4: Simplify right side
    817,898.88x = 616,214,091,313.30
  5. Step 5: Solve for x
    x = 616,214,091,313.30/817,898.88
  6. Step 6: Final answer
    x = 753,411.10

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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.