Home / 674,915.70-1,013,029.65-409,195.20

Finding the Fourth Proportional to 674,915.70, 1,013,029.65 and 409,195.20

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Solution

The fourth proportional to 674,915.70, 1,013,029.65 and 409,195.20 is: 614,190.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    674,915.70 : 1,013,029.65 = 409,195.20 : x
  2. Step 2: Convert to fraction form
    674,915.70/1,013,029.65 = 409,195.20/x
  3. Step 3: Cross multiply
    674,915.70x = 1,013,029.65 × 409,195.20
  4. Step 4: Simplify right side
    674,915.70x = 414,526,870,237.68
  5. Step 5: Solve for x
    x = 414,526,870,237.68/674,915.70
  6. Step 6: Final answer
    x = 614,190.59

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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.