Home / 957,682.50-1,321,612.03-527,978.04

Finding the Fourth Proportional to 957,682.50, 1,321,612.03 and 527,978.04

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Solution

The fourth proportional to 957,682.50, 1,321,612.03 and 527,978.04 is: 728,615.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    957,682.50 : 1,321,612.03 = 527,978.04 : x
  2. Step 2: Convert to fraction form
    957,682.50/1,321,612.03 = 527,978.04/x
  3. Step 3: Cross multiply
    957,682.50x = 1,321,612.03 × 527,978.04
  4. Step 4: Simplify right side
    957,682.50x = 697,782,129,239.82
  5. Step 5: Solve for x
    x = 697,782,129,239.82/957,682.50
  6. Step 6: Final answer
    x = 728,615.31

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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.