Home / 1,619,728-2,235,362.88-904,474.24

Finding the Fourth Proportional to 1,619,728, 2,235,362.88 and 904,474.24

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Solution

The fourth proportional to 1,619,728, 2,235,362.88 and 904,474.24 is: 1,248,251.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,619,728 : 2,235,362.88 = 904,474.24 : x
  2. Step 2: Convert to fraction form
    1,619,728/2,235,362.88 = 904,474.24/x
  3. Step 3: Cross multiply
    1,619,728x = 2,235,362.88 × 904,474.24
  4. Step 4: Simplify right side
    1,619,728x = 2,021,828,142,012.21
  5. Step 5: Solve for x
    x = 2,021,828,142,012.21/1,619,728
  6. Step 6: Final answer
    x = 1,248,251.65

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1.5x scale

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.