Home / 1,040,478.69-1,560,720.04-401,083.53

Finding the Fourth Proportional to 1,040,478.69, 1,560,720.04 and 401,083.53

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Solution

The fourth proportional to 1,040,478.69, 1,560,720.04 and 401,083.53 is: 601,626.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,040,478.69 : 1,560,720.04 = 401,083.53 : x
  2. Step 2: Convert to fraction form
    1,040,478.69/1,560,720.04 = 401,083.53/x
  3. Step 3: Cross multiply
    1,040,478.69x = 1,560,720.04 × 401,083.53
  4. Step 4: Simplify right side
    1,040,478.69x = 625,979,095,181.34
  5. Step 5: Solve for x
    x = 625,979,095,181.34/1,040,478.69
  6. Step 6: Final answer
    x = 601,626.06

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1.5x scale

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.