Home / 676,738.45-1,014,000.27-409,689.55

Finding the Fourth Proportional to 676,738.45, 1,014,000.27 and 409,689.55

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Solution

The fourth proportional to 676,738.45, 1,014,000.27 and 409,689.55 is: 613,863.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,738.45 : 1,014,000.27 = 409,689.55 : x
  2. Step 2: Convert to fraction form
    676,738.45/1,014,000.27 = 409,689.55/x
  3. Step 3: Cross multiply
    676,738.45x = 1,014,000.27 × 409,689.55
  4. Step 4: Simplify right side
    676,738.45x = 415,425,314,316.18
  5. Step 5: Solve for x
    x = 415,425,314,316.18/676,738.45
  6. Step 6: Final answer
    x = 613,863.91

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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.