Home / 930,369.52-1,283,940.94-522,543.22

Finding the Fourth Proportional to 930,369.52, 1,283,940.94 and 522,543.22

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Solution

The fourth proportional to 930,369.52, 1,283,940.94 and 522,543.22 is: 721,127.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,369.52 : 1,283,940.94 = 522,543.22 : x
  2. Step 2: Convert to fraction form
    930,369.52/1,283,940.94 = 522,543.22/x
  3. Step 3: Cross multiply
    930,369.52x = 1,283,940.94 × 522,543.22
  4. Step 4: Simplify right side
    930,369.52x = 670,914,633,077.43
  5. Step 5: Solve for x
    x = 670,914,633,077.43/930,369.52
  6. Step 6: Final answer
    x = 721,127.06

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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.