Home / 1,203,111.77-1,660,294.59-659,243.12

Finding the Fourth Proportional to 1,203,111.77, 1,660,294.59 and 659,243.12

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Solution

The fourth proportional to 1,203,111.77, 1,660,294.59 and 659,243.12 is: 909,755.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,203,111.77 : 1,660,294.59 = 659,243.12 : x
  2. Step 2: Convert to fraction form
    1,203,111.77/1,660,294.59 = 659,243.12/x
  3. Step 3: Cross multiply
    1,203,111.77x = 1,660,294.59 × 659,243.12
  4. Step 4: Simplify right side
    1,203,111.77x = 1,094,537,785,630.72
  5. Step 5: Solve for x
    x = 1,094,537,785,630.72/1,203,111.77
  6. Step 6: Final answer
    x = 909,755.70

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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.