Home / 1,238,518-1,858,089.12-352,054

Finding the Fourth Proportional to 1,238,518, 1,858,089.12 and 352,054

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Solution

The fourth proportional to 1,238,518, 1,858,089.12 and 352,054 is: 528,169.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,238,518 : 1,858,089.12 = 352,054 : x
  2. Step 2: Convert to fraction form
    1,238,518/1,858,089.12 = 352,054/x
  3. Step 3: Cross multiply
    1,238,518x = 1,858,089.12 × 352,054
  4. Step 4: Simplify right side
    1,238,518x = 654,147,707,052.48
  5. Step 5: Solve for x
    x = 654,147,707,052.48/1,238,518
  6. Step 6: Final answer
    x = 528,169.72

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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.