Home / 1,511,631-2,086,050.78-832,567.50

Finding the Fourth Proportional to 1,511,631, 2,086,050.78 and 832,567.50

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Solution

The fourth proportional to 1,511,631, 2,086,050.78 and 832,567.50 is: 1,148,943.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,511,631 : 2,086,050.78 = 832,567.50 : x
  2. Step 2: Convert to fraction form
    1,511,631/2,086,050.78 = 832,567.50/x
  3. Step 3: Cross multiply
    1,511,631x = 2,086,050.78 × 832,567.50
  4. Step 4: Simplify right side
    1,511,631x = 1,736,778,082,777.65
  5. Step 5: Solve for x
    x = 1,736,778,082,777.65/1,511,631
  6. Step 6: Final answer
    x = 1,148,943.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.