Home / 1,100,085.35-1,517,784.86-712,287.59

Finding the Fourth Proportional to 1,100,085.35, 1,517,784.86 and 712,287.59

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Solution

The fourth proportional to 1,100,085.35, 1,517,784.86 and 712,287.59 is: 982,741.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,100,085.35 : 1,517,784.86 = 712,287.59 : x
  2. Step 2: Convert to fraction form
    1,100,085.35/1,517,784.86 = 712,287.59/x
  3. Step 3: Cross multiply
    1,100,085.35x = 1,517,784.86 × 712,287.59
  4. Step 4: Simplify right side
    1,100,085.35x = 1,081,099,316,506.45
  5. Step 5: Solve for x
    x = 1,081,099,316,506.45/1,100,085.35
  6. Step 6: Final answer
    x = 982,741.31

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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.