Home / 1,284,990.50-1,773,325.77-711,977.06

Finding the Fourth Proportional to 1,284,990.50, 1,773,325.77 and 711,977.06

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Solution

The fourth proportional to 1,284,990.50, 1,773,325.77 and 711,977.06 is: 982,549.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,284,990.50 : 1,773,325.77 = 711,977.06 : x
  2. Step 2: Convert to fraction form
    1,284,990.50/1,773,325.77 = 711,977.06/x
  3. Step 3: Cross multiply
    1,284,990.50x = 1,773,325.77 × 711,977.06
  4. Step 4: Simplify right side
    1,284,990.50x = 1,262,567,268,146.84
  5. Step 5: Solve for x
    x = 1,262,567,268,146.84/1,284,990.50
  6. Step 6: Final answer
    x = 982,549.89

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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.