Home / 783,453.11-1,175,348.85-243,699.11

Finding the Fourth Proportional to 783,453.11, 1,175,348.85 and 243,699.11

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Solution

The fourth proportional to 783,453.11, 1,175,348.85 and 243,699.11 is: 365,601.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,453.11 : 1,175,348.85 = 243,699.11 : x
  2. Step 2: Convert to fraction form
    783,453.11/1,175,348.85 = 243,699.11/x
  3. Step 3: Cross multiply
    783,453.11x = 1,175,348.85 × 243,699.11
  4. Step 4: Simplify right side
    783,453.11x = 286,431,468,684.52
  5. Step 5: Solve for x
    x = 286,431,468,684.52/783,453.11
  6. Step 6: Final answer
    x = 365,601.29

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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.