Home / 971,176.20-1,456,245.90-409,576.20

Finding the Fourth Proportional to 971,176.20, 1,456,245.90 and 409,576.20

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Solution

The fourth proportional to 971,176.20, 1,456,245.90 and 409,576.20 is: 614,145.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    971,176.20 : 1,456,245.90 = 409,576.20 : x
  2. Step 2: Convert to fraction form
    971,176.20/1,456,245.90 = 409,576.20/x
  3. Step 3: Cross multiply
    971,176.20x = 1,456,245.90 × 409,576.20
  4. Step 4: Simplify right side
    971,176.20x = 596,443,661,987.58
  5. Step 5: Solve for x
    x = 596,443,661,987.58/971,176.20
  6. Step 6: Final answer
    x = 614,145.67

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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.