Home / 1,219,965.20-1,830,450.25-536,500.70

Finding the Fourth Proportional to 1,219,965.20, 1,830,450.25 and 536,500.70

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Solution

The fourth proportional to 1,219,965.20, 1,830,450.25 and 536,500.70 is: 804,972.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,965.20 : 1,830,450.25 = 536,500.70 : x
  2. Step 2: Convert to fraction form
    1,219,965.20/1,830,450.25 = 536,500.70/x
  3. Step 3: Cross multiply
    1,219,965.20x = 1,830,450.25 × 536,500.70
  4. Step 4: Simplify right side
    1,219,965.20x = 982,037,838,822.74
  5. Step 5: Solve for x
    x = 982,037,838,822.74/1,219,965.20
  6. Step 6: Final answer
    x = 804,972.01

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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.