Home / 818,844.14-1,130,004.97-474,879.61

Finding the Fourth Proportional to 818,844.14, 1,130,004.97 and 474,879.61

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Solution

The fourth proportional to 818,844.14, 1,130,004.97 and 474,879.61 is: 655,333.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    818,844.14 : 1,130,004.97 = 474,879.61 : x
  2. Step 2: Convert to fraction form
    818,844.14/1,130,004.97 = 474,879.61/x
  3. Step 3: Cross multiply
    818,844.14x = 1,130,004.97 × 474,879.61
  4. Step 4: Simplify right side
    818,844.14x = 536,616,315,439.45
  5. Step 5: Solve for x
    x = 536,616,315,439.45/818,844.14
  6. Step 6: Final answer
    x = 655,333.89

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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.