Home / 536,123.76-739,821.78-294,438.12

Finding the Fourth Proportional to 536,123.76, 739,821.78 and 294,438.12

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Solution

The fourth proportional to 536,123.76, 739,821.78 and 294,438.12 is: 406,308.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    536,123.76 : 739,821.78 = 294,438.12 : x
  2. Step 2: Convert to fraction form
    536,123.76/739,821.78 = 294,438.12/x
  3. Step 3: Cross multiply
    536,123.76x = 739,821.78 × 294,438.12
  4. Step 4: Simplify right side
    536,123.76x = 217,831,734,038.25
  5. Step 5: Solve for x
    x = 217,831,734,038.25/536,123.76
  6. Step 6: Final answer
    x = 406,308.67

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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.