Home / 621,274.95-930,546.48-513,436.74

Finding the Fourth Proportional to 621,274.95, 930,546.48 and 513,436.74

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Solution

The fourth proportional to 621,274.95, 930,546.48 and 513,436.74 is: 769,026.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    621,274.95 : 930,546.48 = 513,436.74 : x
  2. Step 2: Convert to fraction form
    621,274.95/930,546.48 = 513,436.74/x
  3. Step 3: Cross multiply
    621,274.95x = 930,546.48 × 513,436.74
  4. Step 4: Simplify right side
    621,274.95x = 477,776,751,109.68
  5. Step 5: Solve for x
    x = 477,776,751,109.68/621,274.95
  6. Step 6: Final answer
    x = 769,026.26

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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.