Home / 405,124.07-559,077.08-223,840.17

Finding the Fourth Proportional to 405,124.07, 559,077.08 and 223,840.17

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Solution

The fourth proportional to 405,124.07, 559,077.08 and 223,840.17 is: 308,902.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,124.07 : 559,077.08 = 223,840.17 : x
  2. Step 2: Convert to fraction form
    405,124.07/559,077.08 = 223,840.17/x
  3. Step 3: Cross multiply
    405,124.07x = 559,077.08 × 223,840.17
  4. Step 4: Simplify right side
    405,124.07x = 125,143,907,511.10
  5. Step 5: Solve for x
    x = 125,143,907,511.10/405,124.07
  6. Step 6: Final answer
    x = 308,902.68

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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.