Home / 947,734.86-1,307,873.76-539,874.48

Finding the Fourth Proportional to 947,734.86, 1,307,873.76 and 539,874.48

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Solution

The fourth proportional to 947,734.86, 1,307,873.76 and 539,874.48 is: 745,026.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    947,734.86 : 1,307,873.76 = 539,874.48 : x
  2. Step 2: Convert to fraction form
    947,734.86/1,307,873.76 = 539,874.48/x
  3. Step 3: Cross multiply
    947,734.86x = 1,307,873.76 × 539,874.48
  4. Step 4: Simplify right side
    947,734.86x = 706,087,666,085.65
  5. Step 5: Solve for x
    x = 706,087,666,085.65/947,734.86
  6. Step 6: Final answer
    x = 745,026.58

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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.