Home / 1,817,815.20-2,726,722.80-555,478.80

Finding the Fourth Proportional to 1,817,815.20, 2,726,722.80 and 555,478.80

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Solution

The fourth proportional to 1,817,815.20, 2,726,722.80 and 555,478.80 is: 833,218.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,817,815.20 : 2,726,722.80 = 555,478.80 : x
  2. Step 2: Convert to fraction form
    1,817,815.20/2,726,722.80 = 555,478.80/x
  3. Step 3: Cross multiply
    1,817,815.20x = 2,726,722.80 × 555,478.80
  4. Step 4: Simplify right side
    1,817,815.20x = 1,514,636,708,876.64
  5. Step 5: Solve for x
    x = 1,514,636,708,876.64/1,817,815.20
  6. Step 6: Final answer
    x = 833,218.20

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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.