Home / 939,776.16-1,410,257.25-400,031.58

Finding the Fourth Proportional to 939,776.16, 1,410,257.25 and 400,031.58

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Solution

The fourth proportional to 939,776.16, 1,410,257.25 and 400,031.58 is: 600,299.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,776.16 : 1,410,257.25 = 400,031.58 : x
  2. Step 2: Convert to fraction form
    939,776.16/1,410,257.25 = 400,031.58/x
  3. Step 3: Cross multiply
    939,776.16x = 1,410,257.25 × 400,031.58
  4. Step 4: Simplify right side
    939,776.16x = 564,147,435,923.96
  5. Step 5: Solve for x
    x = 564,147,435,923.96/939,776.16
  6. Step 6: Final answer
    x = 600,299.79

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.