Home / 1,644,143.96-2,268,827.01-909,055.70

Finding the Fourth Proportional to 1,644,143.96, 2,268,827.01 and 909,055.70

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Solution

The fourth proportional to 1,644,143.96, 2,268,827.01 and 909,055.70 is: 1,254,446.19

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,143.96 : 2,268,827.01 = 909,055.70 : x
  2. Step 2: Convert to fraction form
    1,644,143.96/2,268,827.01 = 909,055.70/x
  3. Step 3: Cross multiply
    1,644,143.96x = 2,268,827.01 × 909,055.70
  4. Step 4: Simplify right side
    1,644,143.96x = 2,062,490,114,410.32
  5. Step 5: Solve for x
    x = 2,062,490,114,410.32/1,644,143.96
  6. Step 6: Final answer
    x = 1,254,446.19

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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.