Home / 1,342,493.20-2,016,072.60-1,300,502.80

Finding the Fourth Proportional to 1,342,493.20, 2,016,072.60 and 1,300,502.80

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Solution

The fourth proportional to 1,342,493.20, 2,016,072.60 and 1,300,502.80 is: 1,953,014.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,342,493.20 : 2,016,072.60 = 1,300,502.80 : x
  2. Step 2: Convert to fraction form
    1,342,493.20/2,016,072.60 = 1,300,502.80/x
  3. Step 3: Cross multiply
    1,342,493.20x = 2,016,072.60 × 1,300,502.80
  4. Step 4: Simplify right side
    1,342,493.20x = 2,621,908,061,303.28
  5. Step 5: Solve for x
    x = 2,621,908,061,303.28/1,342,493.20
  6. Step 6: Final answer
    x = 1,953,014.03

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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.