Home / 1,678,273.80-2,517,410.70-556,342.80

Finding the Fourth Proportional to 1,678,273.80, 2,517,410.70 and 556,342.80

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Solution

The fourth proportional to 1,678,273.80, 2,517,410.70 and 556,342.80 is: 834,514.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,678,273.80 : 2,517,410.70 = 556,342.80 : x
  2. Step 2: Convert to fraction form
    1,678,273.80/2,517,410.70 = 556,342.80/x
  3. Step 3: Cross multiply
    1,678,273.80x = 2,517,410.70 × 556,342.80
  4. Step 4: Simplify right side
    1,678,273.80x = 1,400,543,317,587.96
  5. Step 5: Solve for x
    x = 1,400,543,317,587.96/1,678,273.80
  6. Step 6: Final answer
    x = 834,514.20

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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.