Home / 1,641,345.72-2,265,048.45-953,186.79

Finding the Fourth Proportional to 1,641,345.72, 2,265,048.45 and 953,186.79

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Solution

The fourth proportional to 1,641,345.72, 2,265,048.45 and 953,186.79 is: 1,315,392.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,641,345.72 : 2,265,048.45 = 953,186.79 : x
  2. Step 2: Convert to fraction form
    1,641,345.72/2,265,048.45 = 953,186.79/x
  3. Step 3: Cross multiply
    1,641,345.72x = 2,265,048.45 × 953,186.79
  4. Step 4: Simplify right side
    1,641,345.72x = 2,159,014,261,249.98
  5. Step 5: Solve for x
    x = 2,159,014,261,249.98/1,641,345.72
  6. Step 6: Final answer
    x = 1,315,392.75

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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.