Home / 1,028,065.78-1,542,263.91-353,981.35

Finding the Fourth Proportional to 1,028,065.78, 1,542,263.91 and 353,981.35

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Solution

The fourth proportional to 1,028,065.78, 1,542,263.91 and 353,981.35 is: 531,028.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,028,065.78 : 1,542,263.91 = 353,981.35 : x
  2. Step 2: Convert to fraction form
    1,028,065.78/1,542,263.91 = 353,981.35/x
  3. Step 3: Cross multiply
    1,028,065.78x = 1,542,263.91 × 353,981.35
  4. Step 4: Simplify right side
    1,028,065.78x = 545,932,660,918.08
  5. Step 5: Solve for x
    x = 545,932,660,918.08/1,028,065.78
  6. Step 6: Final answer
    x = 531,028.92

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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.