Home / 930,180.25-1,283,662.21-522,370.36

Finding the Fourth Proportional to 930,180.25, 1,283,662.21 and 522,370.36

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Solution

The fourth proportional to 930,180.25, 1,283,662.21 and 522,370.36 is: 720,878.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    930,180.25 : 1,283,662.21 = 522,370.36 : x
  2. Step 2: Convert to fraction form
    930,180.25/1,283,662.21 = 522,370.36/x
  3. Step 3: Cross multiply
    930,180.25x = 1,283,662.21 × 522,370.36
  4. Step 4: Simplify right side
    930,180.25x = 670,547,086,241.01
  5. Step 5: Solve for x
    x = 670,547,086,241.01/930,180.25
  6. Step 6: Final answer
    x = 720,878.66

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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.