Home / 1,783,630.32-2,675,438.10-646,126.20

Finding the Fourth Proportional to 1,783,630.32, 2,675,438.10 and 646,126.20

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Solution

The fourth proportional to 1,783,630.32, 2,675,438.10 and 646,126.20 is: 969,186.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,783,630.32 : 2,675,438.10 = 646,126.20 : x
  2. Step 2: Convert to fraction form
    1,783,630.32/2,675,438.10 = 646,126.20/x
  3. Step 3: Cross multiply
    1,783,630.32x = 2,675,438.10 × 646,126.20
  4. Step 4: Simplify right side
    1,783,630.32x = 1,728,670,652,888.22
  5. Step 5: Solve for x
    x = 1,728,670,652,888.22/1,783,630.32
  6. Step 6: Final answer
    x = 969,186.63

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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.