Home / 741,309.12-1,023,011.64-401,783.04

Finding the Fourth Proportional to 741,309.12, 1,023,011.64 and 401,783.04

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Solution

The fourth proportional to 741,309.12, 1,023,011.64 and 401,783.04 is: 554,463.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,309.12 : 1,023,011.64 = 401,783.04 : x
  2. Step 2: Convert to fraction form
    741,309.12/1,023,011.64 = 401,783.04/x
  3. Step 3: Cross multiply
    741,309.12x = 1,023,011.64 × 401,783.04
  4. Step 4: Simplify right side
    741,309.12x = 411,028,726,674.59
  5. Step 5: Solve for x
    x = 411,028,726,674.59/741,309.12
  6. Step 6: Final answer
    x = 554,463.33

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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.