Home / 1,545,424.94-2,132,692.65-857,161.05

Finding the Fourth Proportional to 1,545,424.94, 2,132,692.65 and 857,161.05

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Solution

The fourth proportional to 1,545,424.94, 2,132,692.65 and 857,161.05 is: 1,182,885.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,545,424.94 : 2,132,692.65 = 857,161.05 : x
  2. Step 2: Convert to fraction form
    1,545,424.94/2,132,692.65 = 857,161.05/x
  3. Step 3: Cross multiply
    1,545,424.94x = 2,132,692.65 × 857,161.05
  4. Step 4: Simplify right side
    1,545,424.94x = 1,828,061,071,201.28
  5. Step 5: Solve for x
    x = 1,828,061,071,201.28/1,545,424.94
  6. Step 6: Final answer
    x = 1,182,885.71

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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.