Home / 572,102.28-789,795.22-403,090.92

Finding the Fourth Proportional to 572,102.28, 789,795.22 and 403,090.92

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Solution

The fourth proportional to 572,102.28, 789,795.22 and 403,090.92 is: 556,472.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    572,102.28 : 789,795.22 = 403,090.92 : x
  2. Step 2: Convert to fraction form
    572,102.28/789,795.22 = 403,090.92/x
  3. Step 3: Cross multiply
    572,102.28x = 789,795.22 × 403,090.92
  4. Step 4: Simplify right side
    572,102.28x = 318,359,281,841.40
  5. Step 5: Solve for x
    x = 318,359,281,841.40/572,102.28
  6. Step 6: Final answer
    x = 556,472.67

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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.