Home / 859,642.56-1,186,318.56-477,662.40

Finding the Fourth Proportional to 859,642.56, 1,186,318.56 and 477,662.40

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Solution

The fourth proportional to 859,642.56, 1,186,318.56 and 477,662.40 is: 659,180.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    859,642.56 : 1,186,318.56 = 477,662.40 : x
  2. Step 2: Convert to fraction form
    859,642.56/1,186,318.56 = 477,662.40/x
  3. Step 3: Cross multiply
    859,642.56x = 1,186,318.56 × 477,662.40
  4. Step 4: Simplify right side
    859,642.56x = 566,659,770,534.14
  5. Step 5: Solve for x
    x = 566,659,770,534.14/859,642.56
  6. Step 6: Final answer
    x = 659,180.68

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.