Home / 1,554,597.66-2,331,979.92-489,723.06

Finding the Fourth Proportional to 1,554,597.66, 2,331,979.92 and 489,723.06

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Solution

The fourth proportional to 1,554,597.66, 2,331,979.92 and 489,723.06 is: 734,610.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,554,597.66 : 2,331,979.92 = 489,723.06 : x
  2. Step 2: Convert to fraction form
    1,554,597.66/2,331,979.92 = 489,723.06/x
  3. Step 3: Cross multiply
    1,554,597.66x = 2,331,979.92 × 489,723.06
  4. Step 4: Simplify right side
    1,554,597.66x = 1,142,024,342,280.96
  5. Step 5: Solve for x
    x = 1,142,024,342,280.96/1,554,597.66
  6. Step 6: Final answer
    x = 734,610.87

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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.