Home / 1,205,351.71-1,807,968.96-447,340.82

Finding the Fourth Proportional to 1,205,351.71, 1,807,968.96 and 447,340.82

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Solution

The fourth proportional to 1,205,351.71, 1,807,968.96 and 447,340.82 is: 670,989.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,351.71 : 1,807,968.96 = 447,340.82 : x
  2. Step 2: Convert to fraction form
    1,205,351.71/1,807,968.96 = 447,340.82/x
  3. Step 3: Cross multiply
    1,205,351.71x = 1,807,968.96 × 447,340.82
  4. Step 4: Simplify right side
    1,205,351.71x = 808,778,308,061.10
  5. Step 5: Solve for x
    x = 808,778,308,061.10/1,205,351.71
  6. Step 6: Final answer
    x = 670,989.47

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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.