Home / 1,217,606.76-1,680,299.28-673,765.47

Finding the Fourth Proportional to 1,217,606.76, 1,680,299.28 and 673,765.47

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Solution

The fourth proportional to 1,217,606.76, 1,680,299.28 and 673,765.47 is: 929,797.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,606.76 : 1,680,299.28 = 673,765.47 : x
  2. Step 2: Convert to fraction form
    1,217,606.76/1,680,299.28 = 673,765.47/x
  3. Step 3: Cross multiply
    1,217,606.76x = 1,680,299.28 × 673,765.47
  4. Step 4: Simplify right side
    1,217,606.76x = 1,132,127,634,129.86
  5. Step 5: Solve for x
    x = 1,132,127,634,129.86/1,217,606.76
  6. Step 6: Final answer
    x = 929,797.43

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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.