Home / 829,110.40-1,237,199.14-739,749.60

Finding the Fourth Proportional to 829,110.40, 1,237,199.14 and 739,749.60

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Solution

The fourth proportional to 829,110.40, 1,237,199.14 and 739,749.60 is: 1,103,854.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    829,110.40 : 1,237,199.14 = 739,749.60 : x
  2. Step 2: Convert to fraction form
    829,110.40/1,237,199.14 = 739,749.60/x
  3. Step 3: Cross multiply
    829,110.40x = 1,237,199.14 × 739,749.60
  4. Step 4: Simplify right side
    829,110.40x = 915,217,568,935.34
  5. Step 5: Solve for x
    x = 915,217,568,935.34/829,110.40
  6. Step 6: Final answer
    x = 1,103,854.89

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Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.