Home / 698,173.58-1,047,239.44-192,765.40

Finding the Fourth Proportional to 698,173.58, 1,047,239.44 and 192,765.40

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Solution

The fourth proportional to 698,173.58, 1,047,239.44 and 192,765.40 is: 289,142.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,173.58 : 1,047,239.44 = 192,765.40 : x
  2. Step 2: Convert to fraction form
    698,173.58/1,047,239.44 = 192,765.40/x
  3. Step 3: Cross multiply
    698,173.58x = 1,047,239.44 × 192,765.40
  4. Step 4: Simplify right side
    698,173.58x = 201,871,529,547.38
  5. Step 5: Solve for x
    x = 201,871,529,547.38/698,173.58
  6. Step 6: Final answer
    x = 289,142.32

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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.