Home / 1,226,907.90-1,693,091.43-690,260.22

Finding the Fourth Proportional to 1,226,907.90, 1,693,091.43 and 690,260.22

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Solution

The fourth proportional to 1,226,907.90, 1,693,091.43 and 690,260.22 is: 952,535.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,226,907.90 : 1,693,091.43 = 690,260.22 : x
  2. Step 2: Convert to fraction form
    1,226,907.90/1,693,091.43 = 690,260.22/x
  3. Step 3: Cross multiply
    1,226,907.90x = 1,693,091.43 × 690,260.22
  4. Step 4: Simplify right side
    1,226,907.90x = 1,168,673,662,951.91
  5. Step 5: Solve for x
    x = 1,168,673,662,951.91/1,226,907.90
  6. Step 6: Final answer
    x = 952,535.77

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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.