Home / 411,623.70-618,069.15-224,999.70

Finding the Fourth Proportional to 411,623.70, 618,069.15 and 224,999.70

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Solution

The fourth proportional to 411,623.70, 618,069.15 and 224,999.70 is: 337,845.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    411,623.70 : 618,069.15 = 224,999.70 : x
  2. Step 2: Convert to fraction form
    411,623.70/618,069.15 = 224,999.70/x
  3. Step 3: Cross multiply
    411,623.70x = 618,069.15 × 224,999.70
  4. Step 4: Simplify right side
    411,623.70x = 139,065,373,329.26
  5. Step 5: Solve for x
    x = 139,065,373,329.26/411,623.70
  6. Step 6: Final answer
    x = 337,845.89

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.