Home / 1,205,591.21-1,663,710.03-661,736.25

Finding the Fourth Proportional to 1,205,591.21, 1,663,710.03 and 661,736.25

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Solution

The fourth proportional to 1,205,591.21, 1,663,710.03 and 661,736.25 is: 913,192.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,205,591.21 : 1,663,710.03 = 661,736.25 : x
  2. Step 2: Convert to fraction form
    1,205,591.21/1,663,710.03 = 661,736.25/x
  3. Step 3: Cross multiply
    1,205,591.21x = 1,663,710.03 × 661,736.25
  4. Step 4: Simplify right side
    1,205,591.21x = 1,100,937,235,937.71
  5. Step 5: Solve for x
    x = 1,100,937,235,937.71/1,205,591.21
  6. Step 6: Final answer
    x = 913,192.82

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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.