Home / 928,263.38-1,281,003.46-525,855.38

Finding the Fourth Proportional to 928,263.38, 1,281,003.46 and 525,855.38

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Solution

The fourth proportional to 928,263.38, 1,281,003.46 and 525,855.38 is: 725,680.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,263.38 : 1,281,003.46 = 525,855.38 : x
  2. Step 2: Convert to fraction form
    928,263.38/1,281,003.46 = 525,855.38/x
  3. Step 3: Cross multiply
    928,263.38x = 1,281,003.46 × 525,855.38
  4. Step 4: Simplify right side
    928,263.38x = 673,622,553,519.96
  5. Step 5: Solve for x
    x = 673,622,553,519.96/928,263.38
  6. Step 6: Final answer
    x = 725,680.42

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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.