Home / 957,538.48-1,321,402.71-527,825.80

Finding the Fourth Proportional to 957,538.48, 1,321,402.71 and 527,825.80

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Solution

The fourth proportional to 957,538.48, 1,321,402.71 and 527,825.80 is: 728,399.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,538.48 : 1,321,402.71 = 527,825.80 : x
  2. Step 2: Convert to fraction form
    957,538.48/1,321,402.71 = 527,825.80/x
  3. Step 3: Cross multiply
    957,538.48x = 1,321,402.71 × 527,825.80
  4. Step 4: Simplify right side
    957,538.48x = 697,470,442,527.92
  5. Step 5: Solve for x
    x = 697,470,442,527.92/957,538.48
  6. Step 6: Final answer
    x = 728,399.39

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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.