Home / 859,632.80-1,289,449.20-461,052.05

Finding the Fourth Proportional to 859,632.80, 1,289,449.20 and 461,052.05

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Solution

The fourth proportional to 859,632.80, 1,289,449.20 and 461,052.05 is: 691,578.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,632.80 : 1,289,449.20 = 461,052.05 : x
  2. Step 2: Convert to fraction form
    859,632.80/1,289,449.20 = 461,052.05/x
  3. Step 3: Cross multiply
    859,632.80x = 1,289,449.20 × 461,052.05
  4. Step 4: Simplify right side
    859,632.80x = 594,503,197,030.86
  5. Step 5: Solve for x
    x = 594,503,197,030.86/859,632.80
  6. Step 6: Final answer
    x = 691,578.08

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Double scale
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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.