Home / 875,723.52-1,208,500.08-493,749.36

Finding the Fourth Proportional to 875,723.52, 1,208,500.08 and 493,749.36

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Solution

The fourth proportional to 875,723.52, 1,208,500.08 and 493,749.36 is: 681,375.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,723.52 : 1,208,500.08 = 493,749.36 : x
  2. Step 2: Convert to fraction form
    875,723.52/1,208,500.08 = 493,749.36/x
  3. Step 3: Cross multiply
    875,723.52x = 1,208,500.08 × 493,749.36
  4. Step 4: Simplify right side
    875,723.52x = 596,696,141,059.95
  5. Step 5: Solve for x
    x = 596,696,141,059.95/875,723.52
  6. Step 6: Final answer
    x = 681,375.03

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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.