Home / 1,439,814.44-1,987,328.22-828,034.04

Finding the Fourth Proportional to 1,439,814.44, 1,987,328.22 and 828,034.04

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Solution

The fourth proportional to 1,439,814.44, 1,987,328.22 and 828,034.04 is: 1,142,907.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,439,814.44 : 1,987,328.22 = 828,034.04 : x
  2. Step 2: Convert to fraction form
    1,439,814.44/1,987,328.22 = 828,034.04/x
  3. Step 3: Cross multiply
    1,439,814.44x = 1,987,328.22 × 828,034.04
  4. Step 4: Simplify right side
    1,439,814.44x = 1,645,575,414,812.61
  5. Step 5: Solve for x
    x = 1,645,575,414,812.61/1,439,814.44
  6. Step 6: Final answer
    x = 1,142,907.98

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.