Home / 939,766.34-1,296,878.81-510,046.47

Finding the Fourth Proportional to 939,766.34, 1,296,878.81 and 510,046.47

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Solution

The fourth proportional to 939,766.34, 1,296,878.81 and 510,046.47 is: 703,864.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,766.34 : 1,296,878.81 = 510,046.47 : x
  2. Step 2: Convert to fraction form
    939,766.34/1,296,878.81 = 510,046.47/x
  3. Step 3: Cross multiply
    939,766.34x = 1,296,878.81 × 510,046.47
  4. Step 4: Simplify right side
    939,766.34x = 661,468,456,508.07
  5. Step 5: Solve for x
    x = 661,468,456,508.07/939,766.34
  6. Step 6: Final answer
    x = 703,864.81

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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.