Home / 783,493.70-1,175,240.55-534,661.70

Finding the Fourth Proportional to 783,493.70, 1,175,240.55 and 534,661.70

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Solution

The fourth proportional to 783,493.70, 1,175,240.55 and 534,661.70 is: 801,992.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,493.70 : 1,175,240.55 = 534,661.70 : x
  2. Step 2: Convert to fraction form
    783,493.70/1,175,240.55 = 534,661.70/x
  3. Step 3: Cross multiply
    783,493.70x = 1,175,240.55 × 534,661.70
  4. Step 4: Simplify right side
    783,493.70x = 628,356,110,371.94
  5. Step 5: Solve for x
    x = 628,356,110,371.94/783,493.70
  6. Step 6: Final answer
    x = 801,992.55

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Double scale
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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.