Home / 1,275,583.65-1,913,377.86-1,197,638.97

Finding the Fourth Proportional to 1,275,583.65, 1,913,377.86 and 1,197,638.97

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Solution

The fourth proportional to 1,275,583.65, 1,913,377.86 and 1,197,638.97 is: 1,796,460.69

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,275,583.65 : 1,913,377.86 = 1,197,638.97 : x
  2. Step 2: Convert to fraction form
    1,275,583.65/1,913,377.86 = 1,197,638.97/x
  3. Step 3: Cross multiply
    1,275,583.65x = 1,913,377.86 × 1,197,638.97
  4. Step 4: Simplify right side
    1,275,583.65x = 2,291,535,889,471.20
  5. Step 5: Solve for x
    x = 2,291,535,889,471.20/1,275,583.65
  6. Step 6: Final answer
    x = 1,796,460.69

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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.