Home / 1,378,191.43-1,901,751.93-826,877.89

Finding the Fourth Proportional to 1,378,191.43, 1,901,751.93 and 826,877.89

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Solution

The fourth proportional to 1,378,191.43, 1,901,751.93 and 826,877.89 is: 1,141,000.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,378,191.43 : 1,901,751.93 = 826,877.89 : x
  2. Step 2: Convert to fraction form
    1,378,191.43/1,901,751.93 = 826,877.89/x
  3. Step 3: Cross multiply
    1,378,191.43x = 1,901,751.93 × 826,877.89
  4. Step 4: Simplify right side
    1,378,191.43x = 1,572,516,623,181.83
  5. Step 5: Solve for x
    x = 1,572,516,623,181.83/1,378,191.43
  6. Step 6: Final answer
    x = 1,141,000.15

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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.