Home / 1,119,773.70-1,679,660.55-665,096.40

Finding the Fourth Proportional to 1,119,773.70, 1,679,660.55 and 665,096.40

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Solution

The fourth proportional to 1,119,773.70, 1,679,660.55 and 665,096.40 is: 997,644.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,119,773.70 : 1,679,660.55 = 665,096.40 : x
  2. Step 2: Convert to fraction form
    1,119,773.70/1,679,660.55 = 665,096.40/x
  3. Step 3: Cross multiply
    1,119,773.70x = 1,679,660.55 × 665,096.40
  4. Step 4: Simplify right side
    1,119,773.70x = 1,117,136,185,027.02
  5. Step 5: Solve for x
    x = 1,117,136,185,027.02/1,119,773.70
  6. Step 6: Final answer
    x = 997,644.60

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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.