Home / 786,505.68-1,179,784.64-217,892.53

Finding the Fourth Proportional to 786,505.68, 1,179,784.64 and 217,892.53

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Solution

The fourth proportional to 786,505.68, 1,179,784.64 and 217,892.53 is: 326,846.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    786,505.68 : 1,179,784.64 = 217,892.53 : x
  2. Step 2: Convert to fraction form
    786,505.68/1,179,784.64 = 217,892.53/x
  3. Step 3: Cross multiply
    786,505.68x = 1,179,784.64 × 217,892.53
  4. Step 4: Simplify right side
    786,505.68x = 257,066,262,084.20
  5. Step 5: Solve for x
    x = 257,066,262,084.20/786,505.68
  6. Step 6: Final answer
    x = 326,846.03

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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.