Home / 405,917.02-560,151.72-224,636.60

Finding the Fourth Proportional to 405,917.02, 560,151.72 and 224,636.60

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Solution

The fourth proportional to 405,917.02, 560,151.72 and 224,636.60 is: 309,990.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    405,917.02 : 560,151.72 = 224,636.60 : x
  2. Step 2: Convert to fraction form
    405,917.02/560,151.72 = 224,636.60/x
  3. Step 3: Cross multiply
    405,917.02x = 560,151.72 × 224,636.60
  4. Step 4: Simplify right side
    405,917.02x = 125,830,577,864.95
  5. Step 5: Solve for x
    x = 125,830,577,864.95/405,917.02
  6. Step 6: Final answer
    x = 309,990.89

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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.