Home / 1,149,603.68-1,586,453.51-666,448.91

Finding the Fourth Proportional to 1,149,603.68, 1,586,453.51 and 666,448.91

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Solution

The fourth proportional to 1,149,603.68, 1,586,453.51 and 666,448.91 is: 919,699.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,149,603.68 : 1,586,453.51 = 666,448.91 : x
  2. Step 2: Convert to fraction form
    1,149,603.68/1,586,453.51 = 666,448.91/x
  3. Step 3: Cross multiply
    1,149,603.68x = 1,586,453.51 × 666,448.91
  4. Step 4: Simplify right side
    1,149,603.68x = 1,057,290,212,505.17
  5. Step 5: Solve for x
    x = 1,057,290,212,505.17/1,149,603.68
  6. Step 6: Final answer
    x = 919,699.75

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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.