Home / 1,289,674.77-1,931,562.09-616,229.43

Finding the Fourth Proportional to 1,289,674.77, 1,931,562.09 and 616,229.43

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Solution

The fourth proportional to 1,289,674.77, 1,931,562.09 and 616,229.43 is: 922,934.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,674.77 : 1,931,562.09 = 616,229.43 : x
  2. Step 2: Convert to fraction form
    1,289,674.77/1,931,562.09 = 616,229.43/x
  3. Step 3: Cross multiply
    1,289,674.77x = 1,931,562.09 × 616,229.43
  4. Step 4: Simplify right side
    1,289,674.77x = 1,190,285,405,730.31
  5. Step 5: Solve for x
    x = 1,190,285,405,730.31/1,289,674.77
  6. Step 6: Final answer
    x = 922,934.55

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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.