Home / 917,231.88-1,265,896.54-554,658.24

Finding the Fourth Proportional to 917,231.88, 1,265,896.54 and 554,658.24

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Solution

The fourth proportional to 917,231.88, 1,265,896.54 and 554,658.24 is: 765,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,231.88 : 1,265,896.54 = 554,658.24 : x
  2. Step 2: Convert to fraction form
    917,231.88/1,265,896.54 = 554,658.24/x
  3. Step 3: Cross multiply
    917,231.88x = 1,265,896.54 × 554,658.24
  4. Step 4: Simplify right side
    917,231.88x = 702,139,946,898.49
  5. Step 5: Solve for x
    x = 702,139,946,898.49/917,231.88
  6. Step 6: Final answer
    x = 765,498.85

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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.