Home / 1,329,679.02-1,993,139.10-619,122.72

Finding the Fourth Proportional to 1,329,679.02, 1,993,139.10 and 619,122.72

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Solution

The fourth proportional to 1,329,679.02, 1,993,139.10 and 619,122.72 is: 928,041.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,329,679.02 : 1,993,139.10 = 619,122.72 : x
  2. Step 2: Convert to fraction form
    1,329,679.02/1,993,139.10 = 619,122.72/x
  3. Step 3: Cross multiply
    1,329,679.02x = 1,993,139.10 × 619,122.72
  4. Step 4: Simplify right side
    1,329,679.02x = 1,233,997,700,930.35
  5. Step 5: Solve for x
    x = 1,233,997,700,930.35/1,329,679.02
  6. Step 6: Final answer
    x = 928,041.79

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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.