Home / 930,370.52-1,283,942.32-522,544.22

Finding the Fourth Proportional to 930,370.52, 1,283,942.32 and 522,544.22

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Solution

The fourth proportional to 930,370.52, 1,283,942.32 and 522,544.22 is: 721,128.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,370.52 : 1,283,942.32 = 522,544.22 : x
  2. Step 2: Convert to fraction form
    930,370.52/1,283,942.32 = 522,544.22/x
  3. Step 3: Cross multiply
    930,370.52x = 1,283,942.32 × 522,544.22
  4. Step 4: Simplify right side
    930,370.52x = 670,916,638,129.39
  5. Step 5: Solve for x
    x = 670,916,638,129.39/930,370.52
  6. Step 6: Final answer
    x = 721,128.44

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1.5x scale

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.