Home / 1,285,605.90-1,928,540.07-444,048.30

Finding the Fourth Proportional to 1,285,605.90, 1,928,540.07 and 444,048.30

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Solution

The fourth proportional to 1,285,605.90, 1,928,540.07 and 444,048.30 is: 666,117.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,605.90 : 1,928,540.07 = 444,048.30 : x
  2. Step 2: Convert to fraction form
    1,285,605.90/1,928,540.07 = 444,048.30/x
  3. Step 3: Cross multiply
    1,285,605.90x = 1,928,540.07 × 444,048.30
  4. Step 4: Simplify right side
    1,285,605.90x = 856,364,939,565.38
  5. Step 5: Solve for x
    x = 856,364,939,565.38/1,285,605.90
  6. Step 6: Final answer
    x = 666,117.77

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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.