Home / 513,330.15-770,126.45-197,702.31

Finding the Fourth Proportional to 513,330.15, 770,126.45 and 197,702.31

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Solution

The fourth proportional to 513,330.15, 770,126.45 and 197,702.31 is: 296,604.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    513,330.15 : 770,126.45 = 197,702.31 : x
  2. Step 2: Convert to fraction form
    513,330.15/770,126.45 = 197,702.31/x
  3. Step 3: Cross multiply
    513,330.15x = 770,126.45 × 197,702.31
  4. Step 4: Simplify right side
    513,330.15x = 152,255,777,168.59
  5. Step 5: Solve for x
    x = 152,255,777,168.59/513,330.15
  6. Step 6: Final answer
    x = 296,604.00

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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.