Home / 1,259,877.84-1,739,338.92-873,255.12

Finding the Fourth Proportional to 1,259,877.84, 1,739,338.92 and 873,255.12

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Solution

The fourth proportional to 1,259,877.84, 1,739,338.92 and 873,255.12 is: 1,205,582.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,877.84 : 1,739,338.92 = 873,255.12 : x
  2. Step 2: Convert to fraction form
    1,259,877.84/1,739,338.92 = 873,255.12/x
  3. Step 3: Cross multiply
    1,259,877.84x = 1,739,338.92 × 873,255.12
  4. Step 4: Simplify right side
    1,259,877.84x = 1,518,886,617,305.27
  5. Step 5: Solve for x
    x = 1,518,886,617,305.27/1,259,877.84
  6. Step 6: Final answer
    x = 1,205,582.45

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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.