Home / 1,154,544.70-1,728,864.60-853,394.80

Finding the Fourth Proportional to 1,154,544.70, 1,728,864.60 and 853,394.80

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Solution

The fourth proportional to 1,154,544.70, 1,728,864.60 and 853,394.80 is: 1,277,909.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,154,544.70 : 1,728,864.60 = 853,394.80 : x
  2. Step 2: Convert to fraction form
    1,154,544.70/1,728,864.60 = 853,394.80/x
  3. Step 3: Cross multiply
    1,154,544.70x = 1,728,864.60 × 853,394.80
  4. Step 4: Simplify right side
    1,154,544.70x = 1,475,404,059,544.08
  5. Step 5: Solve for x
    x = 1,475,404,059,544.08/1,154,544.70
  6. Step 6: Final answer
    x = 1,277,909.86

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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.