Home / 405,200.54-559,210.41-223,947.85

Finding the Fourth Proportional to 405,200.54, 559,210.41 and 223,947.85

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Solution

The fourth proportional to 405,200.54, 559,210.41 and 223,947.85 is: 309,066.64

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,200.54 : 559,210.41 = 223,947.85 : x
  2. Step 2: Convert to fraction form
    405,200.54/559,210.41 = 223,947.85/x
  3. Step 3: Cross multiply
    405,200.54x = 559,210.41 × 223,947.85
  4. Step 4: Simplify right side
    405,200.54x = 125,233,969,017.12
  5. Step 5: Solve for x
    x = 125,233,969,017.12/405,200.54
  6. Step 6: Final answer
    x = 309,066.64

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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.