Home / 698,359.22-1,046,662.36-298,530.06

Finding the Fourth Proportional to 698,359.22, 1,046,662.36 and 298,530.06

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Solution

The fourth proportional to 698,359.22, 1,046,662.36 and 298,530.06 is: 447,420.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    698,359.22 : 1,046,662.36 = 298,530.06 : x
  2. Step 2: Convert to fraction form
    698,359.22/1,046,662.36 = 298,530.06/x
  3. Step 3: Cross multiply
    698,359.22x = 1,046,662.36 × 298,530.06
  4. Step 4: Simplify right side
    698,359.22x = 312,460,172,459.23
  5. Step 5: Solve for x
    x = 312,460,172,459.23/698,359.22
  6. Step 6: Final answer
    x = 447,420.42

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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.