Home / 1,182,556.80-1,773,835.20-1,091,318.40

Finding the Fourth Proportional to 1,182,556.80, 1,773,835.20 and 1,091,318.40

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Solution

The fourth proportional to 1,182,556.80, 1,773,835.20 and 1,091,318.40 is: 1,636,977.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,182,556.80 : 1,773,835.20 = 1,091,318.40 : x
  2. Step 2: Convert to fraction form
    1,182,556.80/1,773,835.20 = 1,091,318.40/x
  3. Step 3: Cross multiply
    1,182,556.80x = 1,773,835.20 × 1,091,318.40
  4. Step 4: Simplify right side
    1,182,556.80x = 1,935,818,992,327.68
  5. Step 5: Solve for x
    x = 1,935,818,992,327.68/1,182,556.80
  6. Step 6: Final answer
    x = 1,636,977.60

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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.