Home / 1,205,464.53-1,663,643.16-661,692.43

Finding the Fourth Proportional to 1,205,464.53, 1,663,643.16 and 661,692.43

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Solution

The fourth proportional to 1,205,464.53, 1,663,643.16 and 661,692.43 is: 913,191.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,464.53 : 1,663,643.16 = 661,692.43 : x
  2. Step 2: Convert to fraction form
    1,205,464.53/1,663,643.16 = 661,692.43/x
  3. Step 3: Cross multiply
    1,205,464.53x = 1,663,643.16 × 661,692.43
  4. Step 4: Simplify right side
    1,205,464.53x = 1,100,820,073,566.60
  5. Step 5: Solve for x
    x = 1,100,820,073,566.60/1,205,464.53
  6. Step 6: Final answer
    x = 913,191.59

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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.