Home / 656,325.69-905,724.09-365,933.81

Finding the Fourth Proportional to 656,325.69, 905,724.09 and 365,933.81

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Solution

The fourth proportional to 656,325.69, 905,724.09 and 365,933.81 is: 504,985.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    656,325.69 : 905,724.09 = 365,933.81 : x
  2. Step 2: Convert to fraction form
    656,325.69/905,724.09 = 365,933.81/x
  3. Step 3: Cross multiply
    656,325.69x = 905,724.09 × 365,933.81
  4. Step 4: Simplify right side
    656,325.69x = 331,435,062,533.86
  5. Step 5: Solve for x
    x = 331,435,062,533.86/656,325.69
  6. Step 6: Final answer
    x = 504,985.66

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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.