Home / 958,454.19-1,322,659.40-528,752.43

Finding the Fourth Proportional to 958,454.19, 1,322,659.40 and 528,752.43

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Solution

The fourth proportional to 958,454.19, 1,322,659.40 and 528,752.43 is: 729,674.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,454.19 : 1,322,659.40 = 528,752.43 : x
  2. Step 2: Convert to fraction form
    958,454.19/1,322,659.40 = 528,752.43/x
  3. Step 3: Cross multiply
    958,454.19x = 1,322,659.40 × 528,752.43
  4. Step 4: Simplify right side
    958,454.19x = 699,359,369,168.58
  5. Step 5: Solve for x
    x = 699,359,369,168.58/958,454.19
  6. Step 6: Final answer
    x = 729,674.28

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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.