Home / 851,132.37-1,174,562.38-469,165.53

Finding the Fourth Proportional to 851,132.37, 1,174,562.38 and 469,165.53

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Solution

The fourth proportional to 851,132.37, 1,174,562.38 and 469,165.53 is: 647,448.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,132.37 : 1,174,562.38 = 469,165.53 : x
  2. Step 2: Convert to fraction form
    851,132.37/1,174,562.38 = 469,165.53/x
  3. Step 3: Cross multiply
    851,132.37x = 1,174,562.38 × 469,165.53
  4. Step 4: Simplify right side
    851,132.37x = 551,064,181,530.76
  5. Step 5: Solve for x
    x = 551,064,181,530.76/851,132.37
  6. Step 6: Final answer
    x = 647,448.27

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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.