Home / 1,089,934.62-1,635,178.41-341,987.10

Finding the Fourth Proportional to 1,089,934.62, 1,635,178.41 and 341,987.10

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Solution

The fourth proportional to 1,089,934.62, 1,635,178.41 and 341,987.10 is: 513,067.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,089,934.62 : 1,635,178.41 = 341,987.10 : x
  2. Step 2: Convert to fraction form
    1,089,934.62/1,635,178.41 = 341,987.10/x
  3. Step 3: Cross multiply
    1,089,934.62x = 1,635,178.41 × 341,987.10
  4. Step 4: Simplify right side
    1,089,934.62x = 559,209,922,418.51
  5. Step 5: Solve for x
    x = 559,209,922,418.51/1,089,934.62
  6. Step 6: Final answer
    x = 513,067.40

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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.