Home / 405,133.55-559,069.27-223,841.57

Finding the Fourth Proportional to 405,133.55, 559,069.27 and 223,841.57

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Solution

The fourth proportional to 405,133.55, 559,069.27 and 223,841.57 is: 308,893.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,133.55 : 559,069.27 = 223,841.57 : x
  2. Step 2: Convert to fraction form
    405,133.55/559,069.27 = 223,841.57/x
  3. Step 3: Cross multiply
    405,133.55x = 559,069.27 × 223,841.57
  4. Step 4: Simplify right side
    405,133.55x = 125,142,943,135.55
  5. Step 5: Solve for x
    x = 125,142,943,135.55/405,133.55
  6. Step 6: Final answer
    x = 308,893.07

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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.