Home / 1,329,676.02-1,993,134.60-619,119.72

Finding the Fourth Proportional to 1,329,676.02, 1,993,134.60 and 619,119.72

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Solution

The fourth proportional to 1,329,676.02, 1,993,134.60 and 619,119.72 is: 928,037.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,676.02 : 1,993,134.60 = 619,119.72 : x
  2. Step 2: Convert to fraction form
    1,329,676.02/1,993,134.60 = 619,119.72/x
  3. Step 3: Cross multiply
    1,329,676.02x = 1,993,134.60 × 619,119.72
  4. Step 4: Simplify right side
    1,329,676.02x = 1,233,988,935,474.31
  5. Step 5: Solve for x
    x = 1,233,988,935,474.31/1,329,676.02
  6. Step 6: Final answer
    x = 928,037.29

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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.