Home / 1,078,736.80-1,617,716.40-546,080.80

Finding the Fourth Proportional to 1,078,736.80, 1,617,716.40 and 546,080.80

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Solution

The fourth proportional to 1,078,736.80, 1,617,716.40 and 546,080.80 is: 818,924.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,078,736.80 : 1,617,716.40 = 546,080.80 : x
  2. Step 2: Convert to fraction form
    1,078,736.80/1,617,716.40 = 546,080.80/x
  3. Step 3: Cross multiply
    1,078,736.80x = 1,617,716.40 × 546,080.80
  4. Step 4: Simplify right side
    1,078,736.80x = 883,403,865,885.12
  5. Step 5: Solve for x
    x = 883,403,865,885.12/1,078,736.80
  6. Step 6: Final answer
    x = 818,924.38

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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.