Home / 957,639.60-1,321,546.64-527,910.30

Finding the Fourth Proportional to 957,639.60, 1,321,546.64 and 527,910.30

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Solution

The fourth proportional to 957,639.60, 1,321,546.64 and 527,910.30 is: 728,518.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,639.60 : 1,321,546.64 = 527,910.30 : x
  2. Step 2: Convert to fraction form
    957,639.60/1,321,546.64 = 527,910.30/x
  3. Step 3: Cross multiply
    957,639.60x = 1,321,546.64 × 527,910.30
  4. Step 4: Simplify right side
    957,639.60x = 697,658,083,186.39
  5. Step 5: Solve for x
    x = 697,658,083,186.39/957,639.60
  6. Step 6: Final answer
    x = 728,518.41

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Double scale
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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.