Home / 696,615.54-1,045,027.20-247,298.78

Finding the Fourth Proportional to 696,615.54, 1,045,027.20 and 247,298.78

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Solution

The fourth proportional to 696,615.54, 1,045,027.20 and 247,298.78 is: 370,985.05

Step by Step Solution

  1. Step 1: Write the proportion equation
    696,615.54 : 1,045,027.20 = 247,298.78 : x
  2. Step 2: Convert to fraction form
    696,615.54/1,045,027.20 = 247,298.78/x
  3. Step 3: Cross multiply
    696,615.54x = 1,045,027.20 × 247,298.78
  4. Step 4: Simplify right side
    696,615.54x = 258,433,954,549.73
  5. Step 5: Solve for x
    x = 258,433,954,549.73/696,615.54
  6. Step 6: Final answer
    x = 370,985.05

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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.