Home / 1,035,408.39-1,553,218.59-396,249.72

Finding the Fourth Proportional to 1,035,408.39, 1,553,218.59 and 396,249.72

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Solution

The fourth proportional to 1,035,408.39, 1,553,218.59 and 396,249.72 is: 594,415.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,035,408.39 : 1,553,218.59 = 396,249.72 : x
  2. Step 2: Convert to fraction form
    1,035,408.39/1,553,218.59 = 396,249.72/x
  3. Step 3: Cross multiply
    1,035,408.39x = 1,553,218.59 × 396,249.72
  4. Step 4: Simplify right side
    1,035,408.39x = 615,462,431,386.30
  5. Step 5: Solve for x
    x = 615,462,431,386.30/1,035,408.39
  6. Step 6: Final answer
    x = 594,415.15

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1.5x scale

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.