Home / 1,355,555.12-2,033,347.28-408,934.04

Finding the Fourth Proportional to 1,355,555.12, 2,033,347.28 and 408,934.04

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Solution

The fourth proportional to 1,355,555.12, 2,033,347.28 and 408,934.04 is: 613,405.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,355,555.12 : 2,033,347.28 = 408,934.04 : x
  2. Step 2: Convert to fraction form
    1,355,555.12/2,033,347.28 = 408,934.04/x
  3. Step 3: Cross multiply
    1,355,555.12x = 2,033,347.28 × 408,934.04
  4. Step 4: Simplify right side
    1,355,555.12x = 831,504,917,933.41
  5. Step 5: Solve for x
    x = 831,504,917,933.41/1,355,555.12
  6. Step 6: Final answer
    x = 613,405.46

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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.