Home / 938,683.59-1,408,079.88-362,310.09

Finding the Fourth Proportional to 938,683.59, 1,408,079.88 and 362,310.09

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Solution

The fourth proportional to 938,683.59, 1,408,079.88 and 362,310.09 is: 543,486.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    938,683.59 : 1,408,079.88 = 362,310.09 : x
  2. Step 2: Convert to fraction form
    938,683.59/1,408,079.88 = 362,310.09/x
  3. Step 3: Cross multiply
    938,683.59x = 1,408,079.88 × 362,310.09
  4. Step 4: Simplify right side
    938,683.59x = 510,161,548,049.99
  5. Step 5: Solve for x
    x = 510,161,548,049.99/938,683.59
  6. Step 6: Final answer
    x = 543,486.17

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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.