Home / 939,855.07-1,296,965.10-510,125.95

Finding the Fourth Proportional to 939,855.07, 1,296,965.10 and 510,125.95

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Solution

The fourth proportional to 939,855.07, 1,296,965.10 and 510,125.95 is: 703,954.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,855.07 : 1,296,965.10 = 510,125.95 : x
  2. Step 2: Convert to fraction form
    939,855.07/1,296,965.10 = 510,125.95/x
  3. Step 3: Cross multiply
    939,855.07x = 1,296,965.10 × 510,125.95
  4. Step 4: Simplify right side
    939,855.07x = 661,615,553,754.35
  5. Step 5: Solve for x
    x = 661,615,553,754.35/939,855.07
  6. Step 6: Final answer
    x = 703,954.87

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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.