Home / 1,378,191.04-1,901,751.41-826,877.50

Finding the Fourth Proportional to 1,378,191.04, 1,901,751.41 and 826,877.50

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Solution

The fourth proportional to 1,378,191.04, 1,901,751.41 and 826,877.50 is: 1,140,999.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,191.04 : 1,901,751.41 = 826,877.50 : x
  2. Step 2: Convert to fraction form
    1,378,191.04/1,901,751.41 = 826,877.50/x
  3. Step 3: Cross multiply
    1,378,191.04x = 1,901,751.41 × 826,877.50
  4. Step 4: Simplify right side
    1,378,191.04x = 1,572,515,451,522.28
  5. Step 5: Solve for x
    x = 1,572,515,451,522.28/1,378,191.04
  6. Step 6: Final answer
    x = 1,140,999.62

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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.