Home / 1,436,665.80-2,155,009.44-637,732.56

Finding the Fourth Proportional to 1,436,665.80, 2,155,009.44 and 637,732.56

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Solution

The fourth proportional to 1,436,665.80, 2,155,009.44 and 637,732.56 is: 956,603.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,436,665.80 : 2,155,009.44 = 637,732.56 : x
  2. Step 2: Convert to fraction form
    1,436,665.80/2,155,009.44 = 637,732.56/x
  3. Step 3: Cross multiply
    1,436,665.80x = 2,155,009.44 × 637,732.56
  4. Step 4: Simplify right side
    1,436,665.80x = 1,374,319,686,995.37
  5. Step 5: Solve for x
    x = 1,374,319,686,995.37/1,436,665.80
  6. Step 6: Final answer
    x = 956,603.61

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.