Home / 947,245.56-1,307,160.09-517,540.56

Finding the Fourth Proportional to 947,245.56, 1,307,160.09 and 517,540.56

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Solution

The fourth proportional to 947,245.56, 1,307,160.09 and 517,540.56 is: 714,184.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,245.56 : 1,307,160.09 = 517,540.56 : x
  2. Step 2: Convert to fraction form
    947,245.56/1,307,160.09 = 517,540.56/x
  3. Step 3: Cross multiply
    947,245.56x = 1,307,160.09 × 517,540.56
  4. Step 4: Simplify right side
    947,245.56x = 676,508,364,988.25
  5. Step 5: Solve for x
    x = 676,508,364,988.25/947,245.56
  6. Step 6: Final answer
    x = 714,184.78

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.