Home / 740,695.10-1,022,160.60-401,163.44

Finding the Fourth Proportional to 740,695.10, 1,022,160.60 and 401,163.44

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Solution

The fourth proportional to 740,695.10, 1,022,160.60 and 401,163.44 is: 553,606.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,695.10 : 1,022,160.60 = 401,163.44 : x
  2. Step 2: Convert to fraction form
    740,695.10/1,022,160.60 = 401,163.44/x
  3. Step 3: Cross multiply
    740,695.10x = 1,022,160.60 × 401,163.44
  4. Step 4: Simplify right side
    740,695.10x = 410,053,462,528.46
  5. Step 5: Solve for x
    x = 410,053,462,528.46/740,695.10
  6. Step 6: Final answer
    x = 553,606.28

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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.