Home / 947,343.45-1,307,913.17-616,514.61

Finding the Fourth Proportional to 947,343.45, 1,307,913.17 and 616,514.61

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Solution

The fourth proportional to 947,343.45, 1,307,913.17 and 616,514.61 is: 851,167.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,343.45 : 1,307,913.17 = 616,514.61 : x
  2. Step 2: Convert to fraction form
    947,343.45/1,307,913.17 = 616,514.61/x
  3. Step 3: Cross multiply
    947,343.45x = 1,307,913.17 × 616,514.61
  4. Step 4: Simplify right side
    947,343.45x = 806,347,574,833.84
  5. Step 5: Solve for x
    x = 806,347,574,833.84/947,343.45
  6. Step 6: Final answer
    x = 851,167.10

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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.