Home / 777,943.34-1,166,915.19-245,505.86

Finding the Fourth Proportional to 777,943.34, 1,166,915.19 and 245,505.86

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Solution

The fourth proportional to 777,943.34, 1,166,915.19 and 245,505.86 is: 368,258.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    777,943.34 : 1,166,915.19 = 245,505.86 : x
  2. Step 2: Convert to fraction form
    777,943.34/1,166,915.19 = 245,505.86/x
  3. Step 3: Cross multiply
    777,943.34x = 1,166,915.19 × 245,505.86
  4. Step 4: Simplify right side
    777,943.34x = 286,484,517,268.01
  5. Step 5: Solve for x
    x = 286,484,517,268.01/777,943.34
  6. Step 6: Final answer
    x = 368,258.85

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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.