Home / 952,322.64-1,314,221.28-522,642.76

Finding the Fourth Proportional to 952,322.64, 1,314,221.28 and 522,642.76

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Solution

The fourth proportional to 952,322.64, 1,314,221.28 and 522,642.76 is: 721,255.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    952,322.64 : 1,314,221.28 = 522,642.76 : x
  2. Step 2: Convert to fraction form
    952,322.64/1,314,221.28 = 522,642.76/x
  3. Step 3: Cross multiply
    952,322.64x = 1,314,221.28 × 522,642.76
  4. Step 4: Simplify right side
    952,322.64x = 686,868,237,029.93
  5. Step 5: Solve for x
    x = 686,868,237,029.93/952,322.64
  6. Step 6: Final answer
    x = 721,255.81

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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.