Home / 993,186.30-1,370,591.91-540,480.54

Finding the Fourth Proportional to 993,186.30, 1,370,591.91 and 540,480.54

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Solution

The fourth proportional to 993,186.30, 1,370,591.91 and 540,480.54 is: 745,860.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    993,186.30 : 1,370,591.91 = 540,480.54 : x
  2. Step 2: Convert to fraction form
    993,186.30/1,370,591.91 = 540,480.54/x
  3. Step 3: Cross multiply
    993,186.30x = 1,370,591.91 × 540,480.54
  4. Step 4: Simplify right side
    993,186.30x = 740,778,255,636.43
  5. Step 5: Solve for x
    x = 740,778,255,636.43/993,186.30
  6. Step 6: Final answer
    x = 745,860.32

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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.