Home / 934,719-1,290,003.24-552,868.80

Finding the Fourth Proportional to 934,719, 1,290,003.24 and 552,868.80

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Solution

The fourth proportional to 934,719, 1,290,003.24 and 552,868.80 is: 763,012.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    934,719 : 1,290,003.24 = 552,868.80 : x
  2. Step 2: Convert to fraction form
    934,719/1,290,003.24 = 552,868.80/x
  3. Step 3: Cross multiply
    934,719x = 1,290,003.24 × 552,868.80
  4. Step 4: Simplify right side
    934,719x = 713,202,543,294.91
  5. Step 5: Solve for x
    x = 713,202,543,294.91/934,719
  6. Step 6: Final answer
    x = 763,012.78

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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.