Home / 1,088,149.60-1,632,760.80-489,534.40

Finding the Fourth Proportional to 1,088,149.60, 1,632,760.80 and 489,534.40

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Solution

The fourth proportional to 1,088,149.60, 1,632,760.80 and 489,534.40 is: 734,542.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,088,149.60 : 1,632,760.80 = 489,534.40 : x
  2. Step 2: Convert to fraction form
    1,088,149.60/1,632,760.80 = 489,534.40/x
  3. Step 3: Cross multiply
    1,088,149.60x = 1,632,760.80 × 489,534.40
  4. Step 4: Simplify right side
    1,088,149.60x = 799,292,578,571.52
  5. Step 5: Solve for x
    x = 799,292,578,571.52/1,088,149.60
  6. Step 6: Final answer
    x = 734,542.91

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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.