Home / 1,219,738.55-1,683,276.11-675,823.45

Finding the Fourth Proportional to 1,219,738.55, 1,683,276.11 and 675,823.45

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Solution

The fourth proportional to 1,219,738.55, 1,683,276.11 and 675,823.45 is: 932,656.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,738.55 : 1,683,276.11 = 675,823.45 : x
  2. Step 2: Convert to fraction form
    1,219,738.55/1,683,276.11 = 675,823.45/x
  3. Step 3: Cross multiply
    1,219,738.55x = 1,683,276.11 × 675,823.45
  4. Step 4: Simplify right side
    1,219,738.55x = 1,137,597,467,962.78
  5. Step 5: Solve for x
    x = 1,137,597,467,962.78/1,219,738.55
  6. Step 6: Final answer
    x = 932,656.81

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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.