Home / 800,315.70-1,104,583.41-514,193.46

Finding the Fourth Proportional to 800,315.70, 1,104,583.41 and 514,193.46

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Solution

The fourth proportional to 800,315.70, 1,104,583.41 and 514,193.46 is: 709,681.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    800,315.70 : 1,104,583.41 = 514,193.46 : x
  2. Step 2: Convert to fraction form
    800,315.70/1,104,583.41 = 514,193.46/x
  3. Step 3: Cross multiply
    800,315.70x = 1,104,583.41 × 514,193.46
  4. Step 4: Simplify right side
    800,315.70x = 567,969,565,446.50
  5. Step 5: Solve for x
    x = 567,969,565,446.50/800,315.70
  6. Step 6: Final answer
    x = 709,681.90

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.