Home / 874,653.80-1,312,563.90-401,095.40

Finding the Fourth Proportional to 874,653.80, 1,312,563.90 and 401,095.40

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Solution

The fourth proportional to 874,653.80, 1,312,563.90 and 401,095.40 is: 601,910.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    874,653.80 : 1,312,563.90 = 401,095.40 : x
  2. Step 2: Convert to fraction form
    874,653.80/1,312,563.90 = 401,095.40/x
  3. Step 3: Cross multiply
    874,653.80x = 1,312,563.90 × 401,095.40
  4. Step 4: Simplify right side
    874,653.80x = 526,463,342,496.06
  5. Step 5: Solve for x
    x = 526,463,342,496.06/874,653.80
  6. Step 6: Final answer
    x = 601,910.54

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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.