Home / 957,221.35-1,320,962.58-527,501.36

Finding the Fourth Proportional to 957,221.35, 1,320,962.58 and 527,501.36

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Solution

The fourth proportional to 957,221.35, 1,320,962.58 and 527,501.36 is: 727,950.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,221.35 : 1,320,962.58 = 527,501.36 : x
  2. Step 2: Convert to fraction form
    957,221.35/1,320,962.58 = 527,501.36/x
  3. Step 3: Cross multiply
    957,221.35x = 1,320,962.58 × 527,501.36
  4. Step 4: Simplify right side
    957,221.35x = 696,809,560,761.52
  5. Step 5: Solve for x
    x = 696,809,560,761.52/957,221.35
  6. Step 6: Final answer
    x = 727,950.29

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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.