Home / 1,644,801.58-2,269,721.01-919,709.02

Finding the Fourth Proportional to 1,644,801.58, 2,269,721.01 and 919,709.02

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Solution

The fourth proportional to 1,644,801.58, 2,269,721.01 and 919,709.02 is: 1,269,139.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,644,801.58 : 2,269,721.01 = 919,709.02 : x
  2. Step 2: Convert to fraction form
    1,644,801.58/2,269,721.01 = 919,709.02/x
  3. Step 3: Cross multiply
    1,644,801.58x = 2,269,721.01 × 919,709.02
  4. Step 4: Simplify right side
    1,644,801.58x = 2,087,482,885,780.51
  5. Step 5: Solve for x
    x = 2,087,482,885,780.51/1,644,801.58
  6. Step 6: Final answer
    x = 1,269,139.64

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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.