Home / 572,199.69-789,583.39-339,586.50

Finding the Fourth Proportional to 572,199.69, 789,583.39 and 339,586.50

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Solution

The fourth proportional to 572,199.69, 789,583.39 and 339,586.50 is: 468,598.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,199.69 : 789,583.39 = 339,586.50 : x
  2. Step 2: Convert to fraction form
    572,199.69/789,583.39 = 339,586.50/x
  3. Step 3: Cross multiply
    572,199.69x = 789,583.39 × 339,586.50
  4. Step 4: Simplify right side
    572,199.69x = 268,131,859,868.24
  5. Step 5: Solve for x
    x = 268,131,859,868.24/572,199.69
  6. Step 6: Final answer
    x = 468,598.40

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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.