Home / 1,221,973.36-1,833,120.86-453,366.38

Finding the Fourth Proportional to 1,221,973.36, 1,833,120.86 and 453,366.38

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Solution

The fourth proportional to 1,221,973.36, 1,833,120.86 and 453,366.38 is: 680,109.24

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,973.36 : 1,833,120.86 = 453,366.38 : x
  2. Step 2: Convert to fraction form
    1,221,973.36/1,833,120.86 = 453,366.38/x
  3. Step 3: Cross multiply
    1,221,973.36x = 1,833,120.86 × 453,366.38
  4. Step 4: Simplify right side
    1,221,973.36x = 831,075,370,716.66
  5. Step 5: Solve for x
    x = 831,075,370,716.66/1,221,973.36
  6. Step 6: Final answer
    x = 680,109.24

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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.