Home / 1,644,554.61-2,269,535.22-919,432.89

Finding the Fourth Proportional to 1,644,554.61, 2,269,535.22 and 919,432.89

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Solution

The fourth proportional to 1,644,554.61, 2,269,535.22 and 919,432.89 is: 1,268,845.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,554.61 : 2,269,535.22 = 919,432.89 : x
  2. Step 2: Convert to fraction form
    1,644,554.61/2,269,535.22 = 919,432.89/x
  3. Step 3: Cross multiply
    1,644,554.61x = 2,269,535.22 × 919,432.89
  4. Step 4: Simplify right side
    1,644,554.61x = 2,086,685,326,281.39
  5. Step 5: Solve for x
    x = 2,086,685,326,281.39/1,644,554.61
  6. Step 6: Final answer
    x = 1,268,845.26

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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.