Home / 558,720.03-770,941.67-351,956.27

Finding the Fourth Proportional to 558,720.03, 770,941.67 and 351,956.27

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Solution

The fourth proportional to 558,720.03, 770,941.67 and 351,956.27 is: 485,641.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    558,720.03 : 770,941.67 = 351,956.27 : x
  2. Step 2: Convert to fraction form
    558,720.03/770,941.67 = 351,956.27/x
  3. Step 3: Cross multiply
    558,720.03x = 770,941.67 × 351,956.27
  4. Step 4: Simplify right side
    558,720.03x = 271,337,754,728.34
  5. Step 5: Solve for x
    x = 271,337,754,728.34/558,720.03
  6. Step 6: Final answer
    x = 485,641.72

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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.