Home / 403,723.40-605,585.10-235,070.60

Finding the Fourth Proportional to 403,723.40, 605,585.10 and 235,070.60

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Solution

The fourth proportional to 403,723.40, 605,585.10 and 235,070.60 is: 352,605.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    403,723.40 : 605,585.10 = 235,070.60 : x
  2. Step 2: Convert to fraction form
    403,723.40/605,585.10 = 235,070.60/x
  3. Step 3: Cross multiply
    403,723.40x = 605,585.10 × 235,070.60
  4. Step 4: Simplify right side
    403,723.40x = 142,355,252,808.06
  5. Step 5: Solve for x
    x = 142,355,252,808.06/403,723.40
  6. Step 6: Final answer
    x = 352,605.90

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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.