Home / 1,041,836.40-1,561,879.80-543,200.40

Finding the Fourth Proportional to 1,041,836.40, 1,561,879.80 and 543,200.40

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Solution

The fourth proportional to 1,041,836.40, 1,561,879.80 and 543,200.40 is: 814,344.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,041,836.40 : 1,561,879.80 = 543,200.40 : x
  2. Step 2: Convert to fraction form
    1,041,836.40/1,561,879.80 = 543,200.40/x
  3. Step 3: Cross multiply
    1,041,836.40x = 1,561,879.80 × 543,200.40
  4. Step 4: Simplify right side
    1,041,836.40x = 848,413,732,111.92
  5. Step 5: Solve for x
    x = 848,413,732,111.92/1,041,836.40
  6. Step 6: Final answer
    x = 814,344.49

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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.