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Finding the Fourth Proportional to 1,223,185.88, 1,835,426.72 and 888,984.95

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Solution

The fourth proportional to 1,223,185.88, 1,835,426.72 and 888,984.95 is: 1,333,948.30

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,185.88 : 1,835,426.72 = 888,984.95 : x
  2. Step 2: Convert to fraction form
    1,223,185.88/1,835,426.72 = 888,984.95/x
  3. Step 3: Cross multiply
    1,223,185.88x = 1,835,426.72 × 888,984.95
  4. Step 4: Simplify right side
    1,223,185.88x = 1,631,666,723,953.19
  5. Step 5: Solve for x
    x = 1,631,666,723,953.19/1,223,185.88
  6. Step 6: Final answer
    x = 1,333,948.30

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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.