Home / 1,456,825.04-2,185,500.48-445,928.72

Finding the Fourth Proportional to 1,456,825.04, 2,185,500.48 and 445,928.72

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Solution

The fourth proportional to 1,456,825.04, 2,185,500.48 and 445,928.72 is: 668,973.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,456,825.04 : 2,185,500.48 = 445,928.72 : x
  2. Step 2: Convert to fraction form
    1,456,825.04/2,185,500.48 = 445,928.72/x
  3. Step 3: Cross multiply
    1,456,825.04x = 2,185,500.48 × 445,928.72
  4. Step 4: Simplify right side
    1,456,825.04x = 974,577,431,605.79
  5. Step 5: Solve for x
    x = 974,577,431,605.79/1,456,825.04
  6. Step 6: Final answer
    x = 668,973.56

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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.