Home / 950,116.56-1,311,146.36-520,395.36

Finding the Fourth Proportional to 950,116.56, 1,311,146.36 and 520,395.36

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Solution

The fourth proportional to 950,116.56, 1,311,146.36 and 520,395.36 is: 718,137.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,116.56 : 1,311,146.36 = 520,395.36 : x
  2. Step 2: Convert to fraction form
    950,116.56/1,311,146.36 = 520,395.36/x
  3. Step 3: Cross multiply
    950,116.56x = 1,311,146.36 × 520,395.36
  4. Step 4: Simplify right side
    950,116.56x = 682,314,482,024.89
  5. Step 5: Solve for x
    x = 682,314,482,024.89/950,116.56
  6. Step 6: Final answer
    x = 718,137.66

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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.