Home / 612,834.53-919,064.85-492,606.26

Finding the Fourth Proportional to 612,834.53, 919,064.85 and 492,606.26

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Solution

The fourth proportional to 612,834.53, 919,064.85 and 492,606.26 is: 738,759.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    612,834.53 : 919,064.85 = 492,606.26 : x
  2. Step 2: Convert to fraction form
    612,834.53/919,064.85 = 492,606.26/x
  3. Step 3: Cross multiply
    612,834.53x = 919,064.85 × 492,606.26
  4. Step 4: Simplify right side
    612,834.53x = 452,737,098,455.96
  5. Step 5: Solve for x
    x = 452,737,098,455.96/612,834.53
  6. Step 6: Final answer
    x = 738,759.12

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1.5x scale

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.