Home / 1,109,118.29-1,530,654.11-625,506.98

Finding the Fourth Proportional to 1,109,118.29, 1,530,654.11 and 625,506.98

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Solution

The fourth proportional to 1,109,118.29, 1,530,654.11 and 625,506.98 is: 863,239.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,118.29 : 1,530,654.11 = 625,506.98 : x
  2. Step 2: Convert to fraction form
    1,109,118.29/1,530,654.11 = 625,506.98/x
  3. Step 3: Cross multiply
    1,109,118.29x = 1,530,654.11 × 625,506.98
  4. Step 4: Simplify right side
    1,109,118.29x = 957,434,829,770.69
  5. Step 5: Solve for x
    x = 957,434,829,770.69/1,109,118.29
  6. Step 6: Final answer
    x = 863,239.60

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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.