Home / 857,724.08-1,183,561.08-495,146.48

Finding the Fourth Proportional to 857,724.08, 1,183,561.08 and 495,146.48

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Solution

The fourth proportional to 857,724.08, 1,183,561.08 and 495,146.48 is: 683,245.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,724.08 : 1,183,561.08 = 495,146.48 : x
  2. Step 2: Convert to fraction form
    857,724.08/1,183,561.08 = 495,146.48/x
  3. Step 3: Cross multiply
    857,724.08x = 1,183,561.08 × 495,146.48
  4. Step 4: Simplify right side
    857,724.08x = 586,036,102,627.00
  5. Step 5: Solve for x
    x = 586,036,102,627.00/857,724.08
  6. Step 6: Final answer
    x = 683,245.48

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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.