Home / 939,829.51-1,296,929.98-510,100.44

Finding the Fourth Proportional to 939,829.51, 1,296,929.98 and 510,100.44

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Solution

The fourth proportional to 939,829.51, 1,296,929.98 and 510,100.44 is: 703,919.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,829.51 : 1,296,929.98 = 510,100.44 : x
  2. Step 2: Convert to fraction form
    939,829.51/1,296,929.98 = 510,100.44/x
  3. Step 3: Cross multiply
    939,829.51x = 1,296,929.98 × 510,100.44
  4. Step 4: Simplify right side
    939,829.51x = 661,564,553,447.19
  5. Step 5: Solve for x
    x = 661,564,553,447.19/939,829.51
  6. Step 6: Final answer
    x = 703,919.75

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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.