Home / 1,285,992.24-1,928,988.36-444,084.72

Finding the Fourth Proportional to 1,285,992.24, 1,928,988.36 and 444,084.72

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Solution

The fourth proportional to 1,285,992.24, 1,928,988.36 and 444,084.72 is: 666,127.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,285,992.24 : 1,928,988.36 = 444,084.72 : x
  2. Step 2: Convert to fraction form
    1,285,992.24/1,928,988.36 = 444,084.72/x
  3. Step 3: Cross multiply
    1,285,992.24x = 1,928,988.36 × 444,084.72
  4. Step 4: Simplify right side
    1,285,992.24x = 856,634,255,733.86
  5. Step 5: Solve for x
    x = 856,634,255,733.86/1,285,992.24
  6. Step 6: Final answer
    x = 666,127.08

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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.