Home / 762,365.52-1,052,037.54-422,865.36

Finding the Fourth Proportional to 762,365.52, 1,052,037.54 and 422,865.36

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Solution

The fourth proportional to 762,365.52, 1,052,037.54 and 422,865.36 is: 583,539.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    762,365.52 : 1,052,037.54 = 422,865.36 : x
  2. Step 2: Convert to fraction form
    762,365.52/1,052,037.54 = 422,865.36/x
  3. Step 3: Cross multiply
    762,365.52x = 1,052,037.54 × 422,865.36
  4. Step 4: Simplify right side
    762,365.52x = 444,870,233,085.61
  5. Step 5: Solve for x
    x = 444,870,233,085.61/762,365.52
  6. Step 6: Final answer
    x = 583,539.29

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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.