Home / 748,163.25-1,032,465.29-408,632.31

Finding the Fourth Proportional to 748,163.25, 1,032,465.29 and 408,632.31

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Solution

The fourth proportional to 748,163.25, 1,032,465.29 and 408,632.31 is: 563,912.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,163.25 : 1,032,465.29 = 408,632.31 : x
  2. Step 2: Convert to fraction form
    748,163.25/1,032,465.29 = 408,632.31/x
  3. Step 3: Cross multiply
    748,163.25x = 1,032,465.29 × 408,632.31
  4. Step 4: Simplify right side
    748,163.25x = 421,898,674,404.36
  5. Step 5: Solve for x
    x = 421,898,674,404.36/748,163.25
  6. Step 6: Final answer
    x = 563,912.59

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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.