Home / 449,145.50-670,280.82-401,222.39

Finding the Fourth Proportional to 449,145.50, 670,280.82 and 401,222.39

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Solution

The fourth proportional to 449,145.50, 670,280.82 and 401,222.39 is: 598,762.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    449,145.50 : 670,280.82 = 401,222.39 : x
  2. Step 2: Convert to fraction form
    449,145.50/670,280.82 = 401,222.39/x
  3. Step 3: Cross multiply
    449,145.50x = 670,280.82 × 401,222.39
  4. Step 4: Simplify right side
    449,145.50x = 268,931,669,220.16
  5. Step 5: Solve for x
    x = 268,931,669,220.16/449,145.50
  6. Step 6: Final answer
    x = 598,762.92

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.49) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.