Home / 698,362.28-1,047,603.84-192,923.12

Finding the Fourth Proportional to 698,362.28, 1,047,603.84 and 192,923.12

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Solution

The fourth proportional to 698,362.28, 1,047,603.84 and 192,923.12 is: 289,401.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,362.28 : 1,047,603.84 = 192,923.12 : x
  2. Step 2: Convert to fraction form
    698,362.28/1,047,603.84 = 192,923.12/x
  3. Step 3: Cross multiply
    698,362.28x = 1,047,603.84 × 192,923.12
  4. Step 4: Simplify right side
    698,362.28x = 202,107,001,336.78
  5. Step 5: Solve for x
    x = 202,107,001,336.78/698,362.28
  6. Step 6: Final answer
    x = 289,401.37

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Double scale
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1.5x scale

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.