Home / 697,740.50-1,046,620.48-199,104.50

Finding the Fourth Proportional to 697,740.50, 1,046,620.48 and 199,104.50

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Solution

The fourth proportional to 697,740.50, 1,046,620.48 and 199,104.50 is: 298,659.53

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,740.50 : 1,046,620.48 = 199,104.50 : x
  2. Step 2: Convert to fraction form
    697,740.50/1,046,620.48 = 199,104.50/x
  3. Step 3: Cross multiply
    697,740.50x = 1,046,620.48 × 199,104.50
  4. Step 4: Simplify right side
    697,740.50x = 208,386,847,360.16
  5. Step 5: Solve for x
    x = 208,386,847,360.16/697,740.50
  6. Step 6: Final answer
    x = 298,659.53

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.