Home / 1,245,404.16-1,867,924.80-403,833.60

Finding the Fourth Proportional to 1,245,404.16, 1,867,924.80 and 403,833.60

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Solution

The fourth proportional to 1,245,404.16, 1,867,924.80 and 403,833.60 is: 605,691.57

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,245,404.16 : 1,867,924.80 = 403,833.60 : x
  2. Step 2: Convert to fraction form
    1,245,404.16/1,867,924.80 = 403,833.60/x
  3. Step 3: Cross multiply
    1,245,404.16x = 1,867,924.80 × 403,833.60
  4. Step 4: Simplify right side
    1,245,404.16x = 754,330,796,513.28
  5. Step 5: Solve for x
    x = 754,330,796,513.28/1,245,404.16
  6. Step 6: Final answer
    x = 605,691.57

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.