Home / 939,840.50-1,296,945.16-510,111.41

Finding the Fourth Proportional to 939,840.50, 1,296,945.16 and 510,111.41

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Solution

The fourth proportional to 939,840.50, 1,296,945.16 and 510,111.41 is: 703,934.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,840.50 : 1,296,945.16 = 510,111.41 : x
  2. Step 2: Convert to fraction form
    939,840.50/1,296,945.16 = 510,111.41/x
  3. Step 3: Cross multiply
    939,840.50x = 1,296,945.16 × 510,111.41
  4. Step 4: Simplify right side
    939,840.50x = 661,586,516,500.27
  5. Step 5: Solve for x
    x = 661,586,516,500.27/939,840.50
  6. Step 6: Final answer
    x = 703,934.89

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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.