Home / 383,526.36-529,266.96-213,756.84

Finding the Fourth Proportional to 383,526.36, 529,266.96 and 213,756.84

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Solution

The fourth proportional to 383,526.36, 529,266.96 and 213,756.84 is: 294,984.76

Step by Step Solution

  1. Step 1: Write the proportion equation
    383,526.36 : 529,266.96 = 213,756.84 : x
  2. Step 2: Convert to fraction form
    383,526.36/529,266.96 = 213,756.84/x
  3. Step 3: Cross multiply
    383,526.36x = 529,266.96 × 213,756.84
  4. Step 4: Simplify right side
    383,526.36x = 113,134,432,886.01
  5. Step 5: Solve for x
    x = 113,134,432,886.01/383,526.36
  6. Step 6: Final answer
    x = 294,984.76

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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.