Home / 1,644,144.71-2,268,828.05-909,056.45

Finding the Fourth Proportional to 1,644,144.71, 2,268,828.05 and 909,056.45

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Solution

The fourth proportional to 1,644,144.71, 2,268,828.05 and 909,056.45 is: 1,254,447.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,144.71 : 2,268,828.05 = 909,056.45 : x
  2. Step 2: Convert to fraction form
    1,644,144.71/2,268,828.05 = 909,056.45/x
  3. Step 3: Cross multiply
    1,644,144.71x = 2,268,828.05 × 909,056.45
  4. Step 4: Simplify right side
    1,644,144.71x = 2,062,492,773,920.21
  5. Step 5: Solve for x
    x = 2,062,492,773,920.21/1,644,144.71
  6. Step 6: Final answer
    x = 1,254,447.23

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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.