Home / 710,453.79-1,066,439.31-305,846.25

Finding the Fourth Proportional to 710,453.79, 1,066,439.31 and 305,846.25

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Solution

The fourth proportional to 710,453.79, 1,066,439.31 and 305,846.25 is: 459,095.96

Step by Step Solution

  1. Step 1: Write the proportion equation
    710,453.79 : 1,066,439.31 = 305,846.25 : x
  2. Step 2: Convert to fraction form
    710,453.79/1,066,439.31 = 305,846.25/x
  3. Step 3: Cross multiply
    710,453.79x = 1,066,439.31 × 305,846.25
  4. Step 4: Simplify right side
    710,453.79x = 326,166,462,286.86
  5. Step 5: Solve for x
    x = 326,166,462,286.86/710,453.79
  6. Step 6: Final answer
    x = 459,095.96

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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.