Home / 865,893.03-1,194,934.14-483,919.81

Finding the Fourth Proportional to 865,893.03, 1,194,934.14 and 483,919.81

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Solution

The fourth proportional to 865,893.03, 1,194,934.14 and 483,919.81 is: 667,810.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,893.03 : 1,194,934.14 = 483,919.81 : x
  2. Step 2: Convert to fraction form
    865,893.03/1,194,934.14 = 483,919.81/x
  3. Step 3: Cross multiply
    865,893.03x = 1,194,934.14 × 483,919.81
  4. Step 4: Simplify right side
    865,893.03x = 578,252,301,991.31
  5. Step 5: Solve for x
    x = 578,252,301,991.31/865,893.03
  6. Step 6: Final answer
    x = 667,810.32

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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.