Home / 1,155,178.23-1,732,883.07-396,919.80

Finding the Fourth Proportional to 1,155,178.23, 1,732,883.07 and 396,919.80

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Solution

The fourth proportional to 1,155,178.23, 1,732,883.07 and 396,919.80 is: 595,419.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,178.23 : 1,732,883.07 = 396,919.80 : x
  2. Step 2: Convert to fraction form
    1,155,178.23/1,732,883.07 = 396,919.80/x
  3. Step 3: Cross multiply
    1,155,178.23x = 1,732,883.07 × 396,919.80
  4. Step 4: Simplify right side
    1,155,178.23x = 687,815,601,567.79
  5. Step 5: Solve for x
    x = 687,815,601,567.79/1,155,178.23
  6. Step 6: Final answer
    x = 595,419.46

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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.