Home / 950,254.17-1,311,351.12-520,549.80

Finding the Fourth Proportional to 950,254.17, 1,311,351.12 and 520,549.80

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Solution

The fourth proportional to 950,254.17, 1,311,351.12 and 520,549.80 is: 718,358.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,254.17 : 1,311,351.12 = 520,549.80 : x
  2. Step 2: Convert to fraction form
    950,254.17/1,311,351.12 = 520,549.80/x
  3. Step 3: Cross multiply
    950,254.17x = 1,311,351.12 × 520,549.80
  4. Step 4: Simplify right side
    950,254.17x = 682,623,563,245.78
  5. Step 5: Solve for x
    x = 682,623,563,245.78/950,254.17
  6. Step 6: Final answer
    x = 718,358.92

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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.