Home / 958,637.76-1,322,960.12-528,945.72

Finding the Fourth Proportional to 958,637.76, 1,322,960.12 and 528,945.72

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Solution

The fourth proportional to 958,637.76, 1,322,960.12 and 528,945.72 is: 729,967.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,637.76 : 1,322,960.12 = 528,945.72 : x
  2. Step 2: Convert to fraction form
    958,637.76/1,322,960.12 = 528,945.72/x
  3. Step 3: Cross multiply
    958,637.76x = 1,322,960.12 × 528,945.72
  4. Step 4: Simplify right side
    958,637.76x = 699,774,093,204.69
  5. Step 5: Solve for x
    x = 699,774,093,204.69/958,637.76
  6. Step 6: Final answer
    x = 729,967.17

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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.