Home / 740,556.07-1,021,961.46-401,024.32

Finding the Fourth Proportional to 740,556.07, 1,021,961.46 and 401,024.32

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Solution

The fourth proportional to 740,556.07, 1,021,961.46 and 401,024.32 is: 553,410.36

Step by Step Solution

  1. Step 1: Write the proportion equation
    740,556.07 : 1,021,961.46 = 401,024.32 : x
  2. Step 2: Convert to fraction form
    740,556.07/1,021,961.46 = 401,024.32/x
  3. Step 3: Cross multiply
    740,556.07x = 1,021,961.46 × 401,024.32
  4. Step 4: Simplify right side
    740,556.07x = 409,831,396,255.88
  5. Step 5: Solve for x
    x = 409,831,396,255.88/740,556.07
  6. Step 6: Final answer
    x = 553,410.36

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1.5x scale

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.