Home / 1,164,885.42-1,608,037.86-783,133.63

Finding the Fourth Proportional to 1,164,885.42, 1,608,037.86 and 783,133.63

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Solution

The fourth proportional to 1,164,885.42, 1,608,037.86 and 783,133.63 is: 1,081,057.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,164,885.42 : 1,608,037.86 = 783,133.63 : x
  2. Step 2: Convert to fraction form
    1,164,885.42/1,608,037.86 = 783,133.63/x
  3. Step 3: Cross multiply
    1,164,885.42x = 1,608,037.86 × 783,133.63
  4. Step 4: Simplify right side
    1,164,885.42x = 1,259,308,526,479.23
  5. Step 5: Solve for x
    x = 1,259,308,526,479.23/1,164,885.42
  6. Step 6: Final answer
    x = 1,081,057.85

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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.