Home / 904,325.35-1,247,936.70-511,849.89

Finding the Fourth Proportional to 904,325.35, 1,247,936.70 and 511,849.89

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Solution

The fourth proportional to 904,325.35, 1,247,936.70 and 511,849.89 is: 706,334.58

Step by Step Solution

  1. Step 1: Write the proportion equation
    904,325.35 : 1,247,936.70 = 511,849.89 : x
  2. Step 2: Convert to fraction form
    904,325.35/1,247,936.70 = 511,849.89/x
  3. Step 3: Cross multiply
    904,325.35x = 1,247,936.70 × 511,849.89
  4. Step 4: Simplify right side
    904,325.35x = 638,756,262,621.96
  5. Step 5: Solve for x
    x = 638,756,262,621.96/904,325.35
  6. Step 6: Final answer
    x = 706,334.58

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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.