Home / 1,088,827.86-1,632,177.45-489,939.78

Finding the Fourth Proportional to 1,088,827.86, 1,632,177.45 and 489,939.78

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Solution

The fourth proportional to 1,088,827.86, 1,632,177.45 and 489,939.78 is: 734,430.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,827.86 : 1,632,177.45 = 489,939.78 : x
  2. Step 2: Convert to fraction form
    1,088,827.86/1,632,177.45 = 489,939.78/x
  3. Step 3: Cross multiply
    1,088,827.86x = 1,632,177.45 × 489,939.78
  4. Step 4: Simplify right side
    1,088,827.86x = 799,668,660,773.96
  5. Step 5: Solve for x
    x = 799,668,660,773.96/1,088,827.86
  6. Step 6: Final answer
    x = 734,430.75

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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.