Home / 1,240,674.30-1,861,011.45-492,720.30

Finding the Fourth Proportional to 1,240,674.30, 1,861,011.45 and 492,720.30

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Solution

The fourth proportional to 1,240,674.30, 1,861,011.45 and 492,720.30 is: 739,080.45

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,240,674.30 : 1,861,011.45 = 492,720.30 : x
  2. Step 2: Convert to fraction form
    1,240,674.30/1,861,011.45 = 492,720.30/x
  3. Step 3: Cross multiply
    1,240,674.30x = 1,861,011.45 × 492,720.30
  4. Step 4: Simplify right side
    1,240,674.30x = 916,958,119,947.44
  5. Step 5: Solve for x
    x = 916,958,119,947.44/1,240,674.30
  6. Step 6: Final answer
    x = 739,080.45

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These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.