Home / 403,287.12-604,857.24-118,918.80

Finding the Fourth Proportional to 403,287.12, 604,857.24 and 118,918.80

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Solution

The fourth proportional to 403,287.12, 604,857.24 and 118,918.80 is: 178,356.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,287.12 : 604,857.24 = 118,918.80 : x
  2. Step 2: Convert to fraction form
    403,287.12/604,857.24 = 118,918.80/x
  3. Step 3: Cross multiply
    403,287.12x = 604,857.24 × 118,918.80
  4. Step 4: Simplify right side
    403,287.12x = 71,928,897,152.11
  5. Step 5: Solve for x
    x = 71,928,897,152.11/403,287.12
  6. Step 6: Final answer
    x = 178,356.54

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.