Home / 1,465,811.76-2,021,981.72-853,900.05

Finding the Fourth Proportional to 1,465,811.76, 2,021,981.72 and 853,900.05

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Solution

The fourth proportional to 1,465,811.76, 2,021,981.72 and 853,900.05 is: 1,177,893.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,465,811.76 : 2,021,981.72 = 853,900.05 : x
  2. Step 2: Convert to fraction form
    1,465,811.76/2,021,981.72 = 853,900.05/x
  3. Step 3: Cross multiply
    1,465,811.76x = 2,021,981.72 × 853,900.05
  4. Step 4: Simplify right side
    1,465,811.76x = 1,726,570,287,537.59
  5. Step 5: Solve for x
    x = 1,726,570,287,537.59/1,465,811.76
  6. Step 6: Final answer
    x = 1,177,893.60

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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.