Home / 939,768.18-1,296,892.53-510,053.46

Finding the Fourth Proportional to 939,768.18, 1,296,892.53 and 510,053.46

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Solution

The fourth proportional to 939,768.18, 1,296,892.53 and 510,053.46 is: 703,880.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,768.18 : 1,296,892.53 = 510,053.46 : x
  2. Step 2: Convert to fraction form
    939,768.18/1,296,892.53 = 510,053.46/x
  3. Step 3: Cross multiply
    939,768.18x = 1,296,892.53 × 510,053.46
  4. Step 4: Simplify right side
    939,768.18x = 661,484,522,174.65
  5. Step 5: Solve for x
    x = 661,484,522,174.65/939,768.18
  6. Step 6: Final answer
    x = 703,880.53

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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.