Home / 947,344.45-1,307,914.55-616,515.61

Finding the Fourth Proportional to 947,344.45, 1,307,914.55 and 616,515.61

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Solution

The fourth proportional to 947,344.45, 1,307,914.55 and 616,515.61 is: 851,168.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,344.45 : 1,307,914.55 = 616,515.61 : x
  2. Step 2: Convert to fraction form
    947,344.45/1,307,914.55 = 616,515.61/x
  3. Step 3: Cross multiply
    947,344.45x = 1,307,914.55 × 616,515.61
  4. Step 4: Simplify right side
    947,344.45x = 806,349,736,621.13
  5. Step 5: Solve for x
    x = 806,349,736,621.13/947,344.45
  6. Step 6: Final answer
    x = 851,168.48

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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.