Home / 1,166,506.92-1,609,697.61-643,194.27

Finding the Fourth Proportional to 1,166,506.92, 1,609,697.61 and 643,194.27

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Solution

The fourth proportional to 1,166,506.92, 1,609,697.61 and 643,194.27 is: 887,562.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,166,506.92 : 1,609,697.61 = 643,194.27 : x
  2. Step 2: Convert to fraction form
    1,166,506.92/1,609,697.61 = 643,194.27/x
  3. Step 3: Cross multiply
    1,166,506.92x = 1,609,697.61 × 643,194.27
  4. Step 4: Simplify right side
    1,166,506.92x = 1,035,348,279,184.69
  5. Step 5: Solve for x
    x = 1,035,348,279,184.69/1,166,506.92
  6. Step 6: Final answer
    x = 887,562.91

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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.