Home / 726,808.15-1,003,014.93-404,553.70

Finding the Fourth Proportional to 726,808.15, 1,003,014.93 and 404,553.70

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Solution

The fourth proportional to 726,808.15, 1,003,014.93 and 404,553.70 is: 558,295.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    726,808.15 : 1,003,014.93 = 404,553.70 : x
  2. Step 2: Convert to fraction form
    726,808.15/1,003,014.93 = 404,553.70/x
  3. Step 3: Cross multiply
    726,808.15x = 1,003,014.93 × 404,553.70
  4. Step 4: Simplify right side
    726,808.15x = 405,773,401,086.74
  5. Step 5: Solve for x
    x = 405,773,401,086.74/726,808.15
  6. Step 6: Final answer
    x = 558,295.06

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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.