Home / 1,343,547.38-1,853,958.30-827,219.36

Finding the Fourth Proportional to 1,343,547.38, 1,853,958.30 and 827,219.36

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Solution

The fourth proportional to 1,343,547.38, 1,853,958.30 and 827,219.36 is: 1,141,478.31

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,343,547.38 : 1,853,958.30 = 827,219.36 : x
  2. Step 2: Convert to fraction form
    1,343,547.38/1,853,958.30 = 827,219.36/x
  3. Step 3: Cross multiply
    1,343,547.38x = 1,853,958.30 × 827,219.36
  4. Step 4: Simplify right side
    1,343,547.38x = 1,533,630,198,392.69
  5. Step 5: Solve for x
    x = 1,533,630,198,392.69/1,343,547.38
  6. Step 6: Final answer
    x = 1,141,478.31

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.