Home / 414,359.73-621,539.59-274,085.55

Finding the Fourth Proportional to 414,359.73, 621,539.59 and 274,085.55

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Solution

The fourth proportional to 414,359.73, 621,539.59 and 274,085.55 is: 411,128.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    414,359.73 : 621,539.59 = 274,085.55 : x
  2. Step 2: Convert to fraction form
    414,359.73/621,539.59 = 274,085.55/x
  3. Step 3: Cross multiply
    414,359.73x = 621,539.59 × 274,085.55
  4. Step 4: Simplify right side
    414,359.73x = 170,355,020,371.92
  5. Step 5: Solve for x
    x = 170,355,020,371.92/414,359.73
  6. Step 6: Final answer
    x = 411,128.32

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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.