Home / 734,970.45-1,014,309.33-408,321.75

Finding the Fourth Proportional to 734,970.45, 1,014,309.33 and 408,321.75

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Solution

The fourth proportional to 734,970.45, 1,014,309.33 and 408,321.75 is: 563,511.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    734,970.45 : 1,014,309.33 = 408,321.75 : x
  2. Step 2: Convert to fraction form
    734,970.45/1,014,309.33 = 408,321.75/x
  3. Step 3: Cross multiply
    734,970.45x = 1,014,309.33 × 408,321.75
  4. Step 4: Simplify right side
    734,970.45x = 414,164,560,666.93
  5. Step 5: Solve for x
    x = 414,164,560,666.93/734,970.45
  6. Step 6: Final answer
    x = 563,511.85

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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.