Home / 703,402.10-1,055,192.45-223,458.72

Finding the Fourth Proportional to 703,402.10, 1,055,192.45 and 223,458.72

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Solution

The fourth proportional to 703,402.10, 1,055,192.45 and 223,458.72 is: 335,216.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    703,402.10 : 1,055,192.45 = 223,458.72 : x
  2. Step 2: Convert to fraction form
    703,402.10/1,055,192.45 = 223,458.72/x
  3. Step 3: Cross multiply
    703,402.10x = 1,055,192.45 × 223,458.72
  4. Step 4: Simplify right side
    703,402.10x = 235,791,953,113.37
  5. Step 5: Solve for x
    x = 235,791,953,113.37/703,402.10
  6. Step 6: Final answer
    x = 335,216.45

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.