Home / 958,145.66-1,322,225.25-528,465.77

Finding the Fourth Proportional to 958,145.66, 1,322,225.25 and 528,465.77

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Solution

The fourth proportional to 958,145.66, 1,322,225.25 and 528,465.77 is: 729,274.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    958,145.66 : 1,322,225.25 = 528,465.77 : x
  2. Step 2: Convert to fraction form
    958,145.66/1,322,225.25 = 528,465.77/x
  3. Step 3: Cross multiply
    958,145.66x = 1,322,225.25 × 528,465.77
  4. Step 4: Simplify right side
    958,145.66x = 698,750,778,243.57
  5. Step 5: Solve for x
    x = 698,750,778,243.57/958,145.66
  6. Step 6: Final answer
    x = 729,274.07

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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.