Home / 1,106,707.70-1,661,554.12-708,126.50

Finding the Fourth Proportional to 1,106,707.70, 1,661,554.12 and 708,126.50

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Solution

The fourth proportional to 1,106,707.70, 1,661,554.12 and 708,126.50 is: 1,063,144.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,106,707.70 : 1,661,554.12 = 708,126.50 : x
  2. Step 2: Convert to fraction form
    1,106,707.70/1,661,554.12 = 708,126.50/x
  3. Step 3: Cross multiply
    1,106,707.70x = 1,661,554.12 × 708,126.50
  4. Step 4: Simplify right side
    1,106,707.70x = 1,176,590,503,556.18
  5. Step 5: Solve for x
    x = 1,176,590,503,556.18/1,106,707.70
  6. Step 6: Final answer
    x = 1,063,144.77

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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.