Home / 748,166.25-1,032,474.90-408,634.50

Finding the Fourth Proportional to 748,166.25, 1,032,474.90 and 408,634.50

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Solution

The fourth proportional to 748,166.25, 1,032,474.90 and 408,634.50 is: 563,918.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    748,166.25 : 1,032,474.90 = 408,634.50 : x
  2. Step 2: Convert to fraction form
    748,166.25/1,032,474.90 = 408,634.50/x
  3. Step 3: Cross multiply
    748,166.25x = 1,032,474.90 × 408,634.50
  4. Step 4: Simplify right side
    748,166.25x = 421,904,864,524.05
  5. Step 5: Solve for x
    x = 421,904,864,524.05/748,166.25
  6. Step 6: Final answer
    x = 563,918.60

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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.