Home / 714,032.28-984,556.62-455,563.44

Finding the Fourth Proportional to 714,032.28, 984,556.62 and 455,563.44

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Solution

The fourth proportional to 714,032.28, 984,556.62 and 455,563.44 is: 628,162.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    714,032.28 : 984,556.62 = 455,563.44 : x
  2. Step 2: Convert to fraction form
    714,032.28/984,556.62 = 455,563.44/x
  3. Step 3: Cross multiply
    714,032.28x = 984,556.62 × 455,563.44
  4. Step 4: Simplify right side
    714,032.28x = 448,528,000,681.97
  5. Step 5: Solve for x
    x = 448,528,000,681.97/714,032.28
  6. Step 6: Final answer
    x = 628,162.08

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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.