Home / 1,336,308.40-1,997,122.43-977,233.07

Finding the Fourth Proportional to 1,336,308.40, 1,997,122.43 and 977,233.07

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Solution

The fourth proportional to 1,336,308.40, 1,997,122.43 and 977,233.07 is: 1,460,481.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,336,308.40 : 1,997,122.43 = 977,233.07 : x
  2. Step 2: Convert to fraction form
    1,336,308.40/1,997,122.43 = 977,233.07/x
  3. Step 3: Cross multiply
    1,336,308.40x = 1,997,122.43 × 977,233.07
  4. Step 4: Simplify right side
    1,336,308.40x = 1,951,654,090,870.65
  5. Step 5: Solve for x
    x = 1,951,654,090,870.65/1,336,308.40
  6. Step 6: Final answer
    x = 1,460,481.79

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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.