Home / 1,143,215.51-1,577,523.70-659,936.35

Finding the Fourth Proportional to 1,143,215.51, 1,577,523.70 and 659,936.35

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Solution

The fourth proportional to 1,143,215.51, 1,577,523.70 and 659,936.35 is: 910,646.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,143,215.51 : 1,577,523.70 = 659,936.35 : x
  2. Step 2: Convert to fraction form
    1,143,215.51/1,577,523.70 = 659,936.35/x
  3. Step 3: Cross multiply
    1,143,215.51x = 1,577,523.70 × 659,936.35
  4. Step 4: Simplify right side
    1,143,215.51x = 1,041,065,232,616.49
  5. Step 5: Solve for x
    x = 1,041,065,232,616.49/1,143,215.51
  6. Step 6: Final answer
    x = 910,646.53

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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.