Home / 683,293.07-942,951.55-377,377.22

Finding the Fourth Proportional to 683,293.07, 942,951.55 and 377,377.22

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Solution

The fourth proportional to 683,293.07, 942,951.55 and 377,377.22 is: 520,784.49

Step by Step Solution

  1. Step 1: Write the proportion equation
    683,293.07 : 942,951.55 = 377,377.22 : x
  2. Step 2: Convert to fraction form
    683,293.07/942,951.55 = 377,377.22/x
  3. Step 3: Cross multiply
    683,293.07x = 942,951.55 × 377,377.22
  4. Step 4: Simplify right side
    683,293.07x = 355,848,431,086.45
  5. Step 5: Solve for x
    x = 355,848,431,086.45/683,293.07
  6. Step 6: Final answer
    x = 520,784.49

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1.5x scale

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.