Home / 546,720.10-754,474.08-305,002.69

Finding the Fourth Proportional to 546,720.10, 754,474.08 and 305,002.69

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Solution

The fourth proportional to 546,720.10, 754,474.08 and 305,002.69 is: 420,903.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    546,720.10 : 754,474.08 = 305,002.69 : x
  2. Step 2: Convert to fraction form
    546,720.10/754,474.08 = 305,002.69/x
  3. Step 3: Cross multiply
    546,720.10x = 754,474.08 × 305,002.69
  4. Step 4: Simplify right side
    546,720.10x = 230,116,623,935.28
  5. Step 5: Solve for x
    x = 230,116,623,935.28/546,720.10
  6. Step 6: Final answer
    x = 420,903.90

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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.