Home / 528,025.41-792,431.60-212,484.69

Finding the Fourth Proportional to 528,025.41, 792,431.60 and 212,484.69

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Solution

The fourth proportional to 528,025.41, 792,431.60 and 212,484.69 is: 318,885.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    528,025.41 : 792,431.60 = 212,484.69 : x
  2. Step 2: Convert to fraction form
    528,025.41/792,431.60 = 212,484.69/x
  3. Step 3: Cross multiply
    528,025.41x = 792,431.60 × 212,484.69
  4. Step 4: Simplify right side
    528,025.41x = 168,379,581,809.78
  5. Step 5: Solve for x
    x = 168,379,581,809.78/528,025.41
  6. Step 6: Final answer
    x = 318,885.38

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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.