Home / 443,936.19-612,798.54-290,984.24

Finding the Fourth Proportional to 443,936.19, 612,798.54 and 290,984.24

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Solution

The fourth proportional to 443,936.19, 612,798.54 and 290,984.24 is: 401,667.44

Step by Step Solution

  1. Step 1: Write the proportion equation
    443,936.19 : 612,798.54 = 290,984.24 : x
  2. Step 2: Convert to fraction form
    443,936.19/612,798.54 = 290,984.24/x
  3. Step 3: Cross multiply
    443,936.19x = 612,798.54 × 290,984.24
  4. Step 4: Simplify right side
    443,936.19x = 178,314,714,371.02
  5. Step 5: Solve for x
    x = 178,314,714,371.02/443,936.19
  6. Step 6: Final answer
    x = 401,667.44

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Double scale
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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.