Home / 783,934.60-1,176,290.70-447,233.80

Finding the Fourth Proportional to 783,934.60, 1,176,290.70 and 447,233.80

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Solution

The fourth proportional to 783,934.60, 1,176,290.70 and 447,233.80 is: 671,072.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,934.60 : 1,176,290.70 = 447,233.80 : x
  2. Step 2: Convert to fraction form
    783,934.60/1,176,290.70 = 447,233.80/x
  3. Step 3: Cross multiply
    783,934.60x = 1,176,290.70 × 447,233.80
  4. Step 4: Simplify right side
    783,934.60x = 526,076,959,665.66
  5. Step 5: Solve for x
    x = 526,076,959,665.66/783,934.60
  6. Step 6: Final answer
    x = 671,072.51

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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.