Home / 698,320.02-1,047,459.30-192,911.40

Finding the Fourth Proportional to 698,320.02, 1,047,459.30 and 192,911.40

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Solution

The fourth proportional to 698,320.02, 1,047,459.30 and 192,911.40 is: 289,361.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,320.02 : 1,047,459.30 = 192,911.40 : x
  2. Step 2: Convert to fraction form
    698,320.02/1,047,459.30 = 192,911.40/x
  3. Step 3: Cross multiply
    698,320.02x = 1,047,459.30 × 192,911.40
  4. Step 4: Simplify right side
    698,320.02x = 202,066,840,006.02
  5. Step 5: Solve for x
    x = 202,066,840,006.02/698,320.02
  6. Step 6: Final answer
    x = 289,361.37

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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.