Home / 697,501.25-1,046,261.60-198,865.25

Finding the Fourth Proportional to 697,501.25, 1,046,261.60 and 198,865.25

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Solution

The fourth proportional to 697,501.25, 1,046,261.60 and 198,865.25 is: 298,300.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    697,501.25 : 1,046,261.60 = 198,865.25 : x
  2. Step 2: Convert to fraction form
    697,501.25/1,046,261.60 = 198,865.25/x
  3. Step 3: Cross multiply
    697,501.25x = 1,046,261.60 × 198,865.25
  4. Step 4: Simplify right side
    697,501.25x = 208,065,074,649.40
  5. Step 5: Solve for x
    x = 208,065,074,649.40/697,501.25
  6. Step 6: Final answer
    x = 298,300.65

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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.