Home / 1,208,556.86-1,812,953.68-440,263.35

Finding the Fourth Proportional to 1,208,556.86, 1,812,953.68 and 440,263.35

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Solution

The fourth proportional to 1,208,556.86, 1,812,953.68 and 440,263.35 is: 660,438.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,208,556.86 : 1,812,953.68 = 440,263.35 : x
  2. Step 2: Convert to fraction form
    1,208,556.86/1,812,953.68 = 440,263.35/x
  3. Step 3: Cross multiply
    1,208,556.86x = 1,812,953.68 × 440,263.35
  4. Step 4: Simplify right side
    1,208,556.86x = 798,177,059,450.97
  5. Step 5: Solve for x
    x = 798,177,059,450.97/1,208,556.86
  6. Step 6: Final answer
    x = 660,438.15

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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.