Home / 1,353,277.79-2,029,671.45-543,629.54

Finding the Fourth Proportional to 1,353,277.79, 2,029,671.45 and 543,629.54

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Solution

The fourth proportional to 1,353,277.79, 2,029,671.45 and 543,629.54 is: 815,345.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,353,277.79 : 2,029,671.45 = 543,629.54 : x
  2. Step 2: Convert to fraction form
    1,353,277.79/2,029,671.45 = 543,629.54/x
  3. Step 3: Cross multiply
    1,353,277.79x = 2,029,671.45 × 543,629.54
  4. Step 4: Simplify right side
    1,353,277.79x = 1,103,389,356,714.63
  5. Step 5: Solve for x
    x = 1,103,389,356,714.63/1,353,277.79
  6. Step 6: Final answer
    x = 815,345.80

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.