Home / 783,669.10-1,175,503.65-192,693.10

Finding the Fourth Proportional to 783,669.10, 1,175,503.65 and 192,693.10

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Solution

The fourth proportional to 783,669.10, 1,175,503.65 and 192,693.10 is: 289,039.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,669.10 : 1,175,503.65 = 192,693.10 : x
  2. Step 2: Convert to fraction form
    783,669.10/1,175,503.65 = 192,693.10/x
  3. Step 3: Cross multiply
    783,669.10x = 1,175,503.65 × 192,693.10
  4. Step 4: Simplify right side
    783,669.10x = 226,511,442,379.82
  5. Step 5: Solve for x
    x = 226,511,442,379.82/783,669.10
  6. Step 6: Final answer
    x = 289,039.65

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Similar ratio
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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.