Home / 1,238,310.60-1,857,465.90-396,947.40

Finding the Fourth Proportional to 1,238,310.60, 1,857,465.90 and 396,947.40

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Solution

The fourth proportional to 1,238,310.60, 1,857,465.90 and 396,947.40 is: 595,421.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,310.60 : 1,857,465.90 = 396,947.40 : x
  2. Step 2: Convert to fraction form
    1,238,310.60/1,857,465.90 = 396,947.40/x
  3. Step 3: Cross multiply
    1,238,310.60x = 1,857,465.90 × 396,947.40
  4. Step 4: Simplify right side
    1,238,310.60x = 737,316,259,593.66
  5. Step 5: Solve for x
    x = 737,316,259,593.66/1,238,310.60
  6. Step 6: Final answer
    x = 595,421.10

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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.