Home / 411,090.63-567,307.35-229,810.20

Finding the Fourth Proportional to 411,090.63, 567,307.35 and 229,810.20

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Solution

The fourth proportional to 411,090.63, 567,307.35 and 229,810.20 is: 317,139.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,090.63 : 567,307.35 = 229,810.20 : x
  2. Step 2: Convert to fraction form
    411,090.63/567,307.35 = 229,810.20/x
  3. Step 3: Cross multiply
    411,090.63x = 567,307.35 × 229,810.20
  4. Step 4: Simplify right side
    411,090.63x = 130,373,015,982.33
  5. Step 5: Solve for x
    x = 130,373,015,982.33/411,090.63
  6. Step 6: Final answer
    x = 317,139.35

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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.