Home / 1,109,015.18-1,529,859.12-963,493.98

Finding the Fourth Proportional to 1,109,015.18, 1,529,859.12 and 963,493.98

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Solution

The fourth proportional to 1,109,015.18, 1,529,859.12 and 963,493.98 is: 1,329,116.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,109,015.18 : 1,529,859.12 = 963,493.98 : x
  2. Step 2: Convert to fraction form
    1,109,015.18/1,529,859.12 = 963,493.98/x
  3. Step 3: Cross multiply
    1,109,015.18x = 1,529,859.12 × 963,493.98
  4. Step 4: Simplify right side
    1,109,015.18x = 1,474,010,052,368.10
  5. Step 5: Solve for x
    x = 1,474,010,052,368.10/1,109,015.18
  6. Step 6: Final answer
    x = 1,329,116.22

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.