Home / 1,146,072.85-1,719,109.28-1,039,784.65

Finding the Fourth Proportional to 1,146,072.85, 1,719,109.28 and 1,039,784.65

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Solution

The fourth proportional to 1,146,072.85, 1,719,109.28 and 1,039,784.65 is: 1,559,676.98

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,146,072.85 : 1,719,109.28 = 1,039,784.65 : x
  2. Step 2: Convert to fraction form
    1,146,072.85/1,719,109.28 = 1,039,784.65/x
  3. Step 3: Cross multiply
    1,146,072.85x = 1,719,109.28 × 1,039,784.65
  4. Step 4: Simplify right side
    1,146,072.85x = 1,787,503,435,817.63
  5. Step 5: Solve for x
    x = 1,787,503,435,817.63/1,146,072.85
  6. Step 6: Final answer
    x = 1,559,676.98

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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.