Home / 1,188,104.16-1,639,482.48-678,707.04

Finding the Fourth Proportional to 1,188,104.16, 1,639,482.48 and 678,707.04

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Solution

The fourth proportional to 1,188,104.16, 1,639,482.48 and 678,707.04 is: 936,557.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,188,104.16 : 1,639,482.48 = 678,707.04 : x
  2. Step 2: Convert to fraction form
    1,188,104.16/1,639,482.48 = 678,707.04/x
  3. Step 3: Cross multiply
    1,188,104.16x = 1,639,482.48 × 678,707.04
  4. Step 4: Simplify right side
    1,188,104.16x = 1,112,728,301,132.66
  5. Step 5: Solve for x
    x = 1,112,728,301,132.66/1,188,104.16
  6. Step 6: Final answer
    x = 936,557.87

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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.