Home / 1,221,963.17-1,833,069.49-423,243.23

Finding the Fourth Proportional to 1,221,963.17, 1,833,069.49 and 423,243.23

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Solution

The fourth proportional to 1,221,963.17, 1,833,069.49 and 423,243.23 is: 634,908.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,221,963.17 : 1,833,069.49 = 423,243.23 : x
  2. Step 2: Convert to fraction form
    1,221,963.17/1,833,069.49 = 423,243.23/x
  3. Step 3: Cross multiply
    1,221,963.17x = 1,833,069.49 × 423,243.23
  4. Step 4: Simplify right side
    1,221,963.17x = 775,834,241,538.60
  5. Step 5: Solve for x
    x = 775,834,241,538.60/1,221,963.17
  6. Step 6: Final answer
    x = 634,908.04

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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.