Home / 999,644.49-1,498,546.80-543,569.40

Finding the Fourth Proportional to 999,644.49, 1,498,546.80 and 543,569.40

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Solution

The fourth proportional to 999,644.49, 1,498,546.80 and 543,569.40 is: 814,853.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    999,644.49 : 1,498,546.80 = 543,569.40 : x
  2. Step 2: Convert to fraction form
    999,644.49/1,498,546.80 = 543,569.40/x
  3. Step 3: Cross multiply
    999,644.49x = 1,498,546.80 × 543,569.40
  4. Step 4: Simplify right side
    999,644.49x = 814,564,184,947.92
  5. Step 5: Solve for x
    x = 814,564,184,947.92/999,644.49
  6. Step 6: Final answer
    x = 814,853.87

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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.