Home / 947,736.86-1,307,876.52-539,876.48

Finding the Fourth Proportional to 947,736.86, 1,307,876.52 and 539,876.48

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Solution

The fourth proportional to 947,736.86, 1,307,876.52 and 539,876.48 is: 745,029.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,736.86 : 1,307,876.52 = 539,876.48 : x
  2. Step 2: Convert to fraction form
    947,736.86/1,307,876.52 = 539,876.48/x
  3. Step 3: Cross multiply
    947,736.86x = 1,307,876.52 × 539,876.48
  4. Step 4: Simplify right side
    947,736.86x = 706,091,771,892.25
  5. Step 5: Solve for x
    x = 706,091,771,892.25/947,736.86
  6. Step 6: Final answer
    x = 745,029.34

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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.