Home / 741,187.08-1,022,810.69-401,648.04

Finding the Fourth Proportional to 741,187.08, 1,022,810.69 and 401,648.04

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Solution

The fourth proportional to 741,187.08, 1,022,810.69 and 401,648.04 is: 554,259.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,187.08 : 1,022,810.69 = 401,648.04 : x
  2. Step 2: Convert to fraction form
    741,187.08/1,022,810.69 = 401,648.04/x
  3. Step 3: Cross multiply
    741,187.08x = 1,022,810.69 × 401,648.04
  4. Step 4: Simplify right side
    741,187.08x = 410,809,909,933.67
  5. Step 5: Solve for x
    x = 410,809,909,933.67/741,187.08
  6. Step 6: Final answer
    x = 554,259.40

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1.5x scale

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.