Home / 1,118,778.51-1,678,425.88-350,232.54

Finding the Fourth Proportional to 1,118,778.51, 1,678,425.88 and 350,232.54

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Solution

The fourth proportional to 1,118,778.51, 1,678,425.88 and 350,232.54 is: 525,429.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,118,778.51 : 1,678,425.88 = 350,232.54 : x
  2. Step 2: Convert to fraction form
    1,118,778.51/1,678,425.88 = 350,232.54/x
  3. Step 3: Cross multiply
    1,118,778.51x = 1,678,425.88 × 350,232.54
  4. Step 4: Simplify right side
    1,118,778.51x = 587,839,359,154.14
  5. Step 5: Solve for x
    x = 587,839,359,154.14/1,118,778.51
  6. Step 6: Final answer
    x = 525,429.61

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1.5x scale

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.