Home / 939,811.91-1,296,941.60-510,092.15

Finding the Fourth Proportional to 939,811.91, 1,296,941.60 and 510,092.15

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Solution

The fourth proportional to 939,811.91, 1,296,941.60 and 510,092.15 is: 703,927.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,811.91 : 1,296,941.60 = 510,092.15 : x
  2. Step 2: Convert to fraction form
    939,811.91/1,296,941.60 = 510,092.15/x
  3. Step 3: Cross multiply
    939,811.91x = 1,296,941.60 × 510,092.15
  4. Step 4: Simplify right side
    939,811.91x = 661,559,720,133.27
  5. Step 5: Solve for x
    x = 661,559,720,133.27/939,811.91
  6. Step 6: Final answer
    x = 703,927.79

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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.