Home / 804,145.16-1,109,739.60-436,637.79

Finding the Fourth Proportional to 804,145.16, 1,109,739.60 and 436,637.79

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Solution

The fourth proportional to 804,145.16, 1,109,739.60 and 436,637.79 is: 602,570.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    804,145.16 : 1,109,739.60 = 436,637.79 : x
  2. Step 2: Convert to fraction form
    804,145.16/1,109,739.60 = 436,637.79/x
  3. Step 3: Cross multiply
    804,145.16x = 1,109,739.60 × 436,637.79
  4. Step 4: Simplify right side
    804,145.16x = 484,554,241,619.43
  5. Step 5: Solve for x
    x = 484,554,241,619.43/804,145.16
  6. Step 6: Final answer
    x = 602,570.61

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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.