Home / 939,815.19-1,296,946.45-510,095.51

Finding the Fourth Proportional to 939,815.19, 1,296,946.45 and 510,095.51

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Solution

The fourth proportional to 939,815.19, 1,296,946.45 and 510,095.51 is: 703,932.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,815.19 : 1,296,946.45 = 510,095.51 : x
  2. Step 2: Convert to fraction form
    939,815.19/1,296,946.45 = 510,095.51/x
  3. Step 3: Cross multiply
    939,815.19x = 1,296,946.45 × 510,095.51
  4. Step 4: Simplify right side
    939,815.19x = 661,566,560,855.44
  5. Step 5: Solve for x
    x = 661,566,560,855.44/939,815.19
  6. Step 6: Final answer
    x = 703,932.61

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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.