Home / 1,410,033.84-2,115,343.80-641,165.28

Finding the Fourth Proportional to 1,410,033.84, 2,115,343.80 and 641,165.28

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Solution

The fourth proportional to 1,410,033.84, 2,115,343.80 and 641,165.28 is: 961,881.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,410,033.84 : 2,115,343.80 = 641,165.28 : x
  2. Step 2: Convert to fraction form
    1,410,033.84/2,115,343.80 = 641,165.28/x
  3. Step 3: Cross multiply
    1,410,033.84x = 2,115,343.80 × 641,165.28
  4. Step 4: Simplify right side
    1,410,033.84x = 1,356,284,999,823.26
  5. Step 5: Solve for x
    x = 1,356,284,999,823.26/1,410,033.84
  6. Step 6: Final answer
    x = 961,881.17

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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.