Home / 917,225.37-1,265,887.58-554,651.73

Finding the Fourth Proportional to 917,225.37, 1,265,887.58 and 554,651.73

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Solution

The fourth proportional to 917,225.37, 1,265,887.58 and 554,651.73 is: 765,489.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    917,225.37 : 1,265,887.58 = 554,651.73 : x
  2. Step 2: Convert to fraction form
    917,225.37/1,265,887.58 = 554,651.73/x
  3. Step 3: Cross multiply
    917,225.37x = 1,265,887.58 × 554,651.73
  4. Step 4: Simplify right side
    917,225.37x = 702,126,733,459.26
  5. Step 5: Solve for x
    x = 702,126,733,459.26/917,225.37
  6. Step 6: Final answer
    x = 765,489.87

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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.