Home / 836,400.12-1,154,330.56-496,868.36

Finding the Fourth Proportional to 836,400.12, 1,154,330.56 and 496,868.36

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Solution

The fourth proportional to 836,400.12, 1,154,330.56 and 496,868.36 is: 685,736.79

Step by Step Solution

  1. Step 1: Write the proportion equation
    836,400.12 : 1,154,330.56 = 496,868.36 : x
  2. Step 2: Convert to fraction form
    836,400.12/1,154,330.56 = 496,868.36/x
  3. Step 3: Cross multiply
    836,400.12x = 1,154,330.56 × 496,868.36
  4. Step 4: Simplify right side
    836,400.12x = 573,550,332,245.08
  5. Step 5: Solve for x
    x = 573,550,332,245.08/836,400.12
  6. Step 6: Final answer
    x = 685,736.79

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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.