Home / 1,329,680.02-1,993,140.60-619,123.72

Finding the Fourth Proportional to 1,329,680.02, 1,993,140.60 and 619,123.72

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Solution

The fourth proportional to 1,329,680.02, 1,993,140.60 and 619,123.72 is: 928,043.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,680.02 : 1,993,140.60 = 619,123.72 : x
  2. Step 2: Convert to fraction form
    1,329,680.02/1,993,140.60 = 619,123.72/x
  3. Step 3: Cross multiply
    1,329,680.02x = 1,993,140.60 × 619,123.72
  4. Step 4: Simplify right side
    1,329,680.02x = 1,234,000,622,755.03
  5. Step 5: Solve for x
    x = 1,234,000,622,755.03/1,329,680.02
  6. Step 6: Final answer
    x = 928,043.29

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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.