Home / 1,205,444.57-1,809,040.64-447,393.92

Finding the Fourth Proportional to 1,205,444.57, 1,809,040.64 and 447,393.92

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Solution

The fourth proportional to 1,205,444.57, 1,809,040.64 and 447,393.92 is: 671,415.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,444.57 : 1,809,040.64 = 447,393.92 : x
  2. Step 2: Convert to fraction form
    1,205,444.57/1,809,040.64 = 447,393.92/x
  3. Step 3: Cross multiply
    1,205,444.57x = 1,809,040.64 × 447,393.92
  4. Step 4: Simplify right side
    1,205,444.57x = 809,353,772,086.74
  5. Step 5: Solve for x
    x = 809,353,772,086.74/1,205,444.57
  6. Step 6: Final answer
    x = 671,415.17

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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.