Home / 1,643,784.94-2,268,523.93-918,690.56

Finding the Fourth Proportional to 1,643,784.94, 2,268,523.93 and 918,690.56

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Solution

The fourth proportional to 1,643,784.94, 2,268,523.93 and 918,690.56 is: 1,267,849.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,643,784.94 : 2,268,523.93 = 918,690.56 : x
  2. Step 2: Convert to fraction form
    1,643,784.94/2,268,523.93 = 918,690.56/x
  3. Step 3: Cross multiply
    1,643,784.94x = 2,268,523.93 × 918,690.56
  4. Step 4: Simplify right side
    1,643,784.94x = 2,084,071,517,937.81
  5. Step 5: Solve for x
    x = 2,084,071,517,937.81/1,643,784.94
  6. Step 6: Final answer
    x = 1,267,849.26

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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.