Home / 939,808.10-1,296,936.46-510,088.29

Finding the Fourth Proportional to 939,808.10, 1,296,936.46 and 510,088.29

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Solution

The fourth proportional to 939,808.10, 1,296,936.46 and 510,088.29 is: 703,922.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,808.10 : 1,296,936.46 = 510,088.29 : x
  2. Step 2: Convert to fraction form
    939,808.10/1,296,936.46 = 510,088.29/x
  3. Step 3: Cross multiply
    939,808.10x = 1,296,936.46 × 510,088.29
  4. Step 4: Simplify right side
    939,808.10x = 661,552,096,894.15
  5. Step 5: Solve for x
    x = 661,552,096,894.15/939,808.10
  6. Step 6: Final answer
    x = 703,922.53

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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.