Home / 858,114.46-1,184,119.65-509,194.73

Finding the Fourth Proportional to 858,114.46, 1,184,119.65 and 509,194.73

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Solution

The fourth proportional to 858,114.46, 1,184,119.65 and 509,194.73 is: 702,642.26

Step by Step Solution

  1. Step 1: Write the proportion equation
    858,114.46 : 1,184,119.65 = 509,194.73 : x
  2. Step 2: Convert to fraction form
    858,114.46/1,184,119.65 = 509,194.73/x
  3. Step 3: Cross multiply
    858,114.46x = 1,184,119.65 × 509,194.73
  4. Step 4: Simplify right side
    858,114.46x = 602,947,485,469.45
  5. Step 5: Solve for x
    x = 602,947,485,469.45/858,114.46
  6. Step 6: Final answer
    x = 702,642.26

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Double scale
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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.