Home / 481,300.95-664,000.65-277,242.57

Finding the Fourth Proportional to 481,300.95, 664,000.65 and 277,242.57

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Solution

The fourth proportional to 481,300.95, 664,000.65 and 277,242.57 is: 382,482.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    481,300.95 : 664,000.65 = 277,242.57 : x
  2. Step 2: Convert to fraction form
    481,300.95/664,000.65 = 277,242.57/x
  3. Step 3: Cross multiply
    481,300.95x = 664,000.65 × 277,242.57
  4. Step 4: Simplify right side
    481,300.95x = 184,089,248,945.05
  5. Step 5: Solve for x
    x = 184,089,248,945.05/481,300.95
  6. Step 6: Final answer
    x = 382,482.62

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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.