Home / 405,119.61-559,070.93-223,835.71

Finding the Fourth Proportional to 405,119.61, 559,070.93 and 223,835.71

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Solution

The fourth proportional to 405,119.61, 559,070.93 and 223,835.71 is: 308,896.52

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,119.61 : 559,070.93 = 223,835.71 : x
  2. Step 2: Convert to fraction form
    405,119.61/559,070.93 = 223,835.71/x
  3. Step 3: Cross multiply
    405,119.61x = 559,070.93 × 223,835.71
  4. Step 4: Simplify right side
    405,119.61x = 125,140,038,556.91
  5. Step 5: Solve for x
    x = 125,140,038,556.91/405,119.61
  6. Step 6: Final answer
    x = 308,896.52

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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.