Home / 1,200,174.20-1,656,215.34-656,303.84

Finding the Fourth Proportional to 1,200,174.20, 1,656,215.34 and 656,303.84

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Solution

The fourth proportional to 1,200,174.20, 1,656,215.34 and 656,303.84 is: 905,685.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,200,174.20 : 1,656,215.34 = 656,303.84 : x
  2. Step 2: Convert to fraction form
    1,200,174.20/1,656,215.34 = 656,303.84/x
  3. Step 3: Cross multiply
    1,200,174.20x = 1,656,215.34 × 656,303.84
  4. Step 4: Simplify right side
    1,200,174.20x = 1,086,980,487,508.91
  5. Step 5: Solve for x
    x = 1,086,980,487,508.91/1,200,174.20
  6. Step 6: Final answer
    x = 905,685.60

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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.