Home / 845,309.64-1,166,555.94-463,336.44

Finding the Fourth Proportional to 845,309.64, 1,166,555.94 and 463,336.44

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Solution

The fourth proportional to 845,309.64, 1,166,555.94 and 463,336.44 is: 639,419.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    845,309.64 : 1,166,555.94 = 463,336.44 : x
  2. Step 2: Convert to fraction form
    845,309.64/1,166,555.94 = 463,336.44/x
  3. Step 3: Cross multiply
    845,309.64x = 1,166,555.94 × 463,336.44
  4. Step 4: Simplify right side
    845,309.64x = 540,507,876,300.45
  5. Step 5: Solve for x
    x = 540,507,876,300.45/845,309.64
  6. Step 6: Final answer
    x = 639,419.98

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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.