Home / 1,079,681.98-1,619,518.35-439,843.01

Finding the Fourth Proportional to 1,079,681.98, 1,619,518.35 and 439,843.01

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Solution

The fourth proportional to 1,079,681.98, 1,619,518.35 and 439,843.01 is: 659,762.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,079,681.98 : 1,619,518.35 = 439,843.01 : x
  2. Step 2: Convert to fraction form
    1,079,681.98/1,619,518.35 = 439,843.01/x
  3. Step 3: Cross multiply
    1,079,681.98x = 1,619,518.35 × 439,843.01
  4. Step 4: Simplify right side
    1,079,681.98x = 712,333,825,814.23
  5. Step 5: Solve for x
    x = 712,333,825,814.23/1,079,681.98
  6. Step 6: Final answer
    x = 659,762.63

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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.