Home / 783,491.70-1,175,237.55-534,659.70

Finding the Fourth Proportional to 783,491.70, 1,175,237.55 and 534,659.70

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Solution

The fourth proportional to 783,491.70, 1,175,237.55 and 534,659.70 is: 801,989.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    783,491.70 : 1,175,237.55 = 534,659.70 : x
  2. Step 2: Convert to fraction form
    783,491.70/1,175,237.55 = 534,659.70/x
  3. Step 3: Cross multiply
    783,491.70x = 1,175,237.55 × 534,659.70
  4. Step 4: Simplify right side
    783,491.70x = 628,352,155,911.74
  5. Step 5: Solve for x
    x = 628,352,155,911.74/783,491.70
  6. Step 6: Final answer
    x = 801,989.55

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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.