Home / 950,447.76-1,311,617.88-520,744.16

Finding the Fourth Proportional to 950,447.76, 1,311,617.88 and 520,744.16

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Solution

The fourth proportional to 950,447.76, 1,311,617.88 and 520,744.16 is: 718,626.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    950,447.76 : 1,311,617.88 = 520,744.16 : x
  2. Step 2: Convert to fraction form
    950,447.76/1,311,617.88 = 520,744.16/x
  3. Step 3: Cross multiply
    950,447.76x = 1,311,617.88 × 520,744.16
  4. Step 4: Simplify right side
    950,447.76x = 683,017,351,161.58
  5. Step 5: Solve for x
    x = 683,017,351,161.58/950,447.76
  6. Step 6: Final answer
    x = 718,626.93

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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.