Home / 1,993,323.60-2,989,985.40-928,473.30

Finding the Fourth Proportional to 1,993,323.60, 2,989,985.40 and 928,473.30

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Solution

The fourth proportional to 1,993,323.60, 2,989,985.40 and 928,473.30 is: 1,392,709.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,323.60 : 2,989,985.40 = 928,473.30 : x
  2. Step 2: Convert to fraction form
    1,993,323.60/2,989,985.40 = 928,473.30/x
  3. Step 3: Cross multiply
    1,993,323.60x = 2,989,985.40 × 928,473.30
  4. Step 4: Simplify right side
    1,993,323.60x = 2,776,121,611,289.82
  5. Step 5: Solve for x
    x = 2,776,121,611,289.82/1,993,323.60
  6. Step 6: Final answer
    x = 1,392,709.95

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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.