Home / 1,186,455.60-1,780,266.60-555,260.40

Finding the Fourth Proportional to 1,186,455.60, 1,780,266.60 and 555,260.40

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Solution

The fourth proportional to 1,186,455.60, 1,780,266.60 and 555,260.40 is: 833,163.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,455.60 : 1,780,266.60 = 555,260.40 : x
  2. Step 2: Convert to fraction form
    1,186,455.60/1,780,266.60 = 555,260.40/x
  3. Step 3: Cross multiply
    1,186,455.60x = 1,780,266.60 × 555,260.40
  4. Step 4: Simplify right side
    1,186,455.60x = 988,511,544,422.64
  5. Step 5: Solve for x
    x = 988,511,544,422.64/1,186,455.60
  6. Step 6: Final answer
    x = 833,163.54

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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.