Home / 764,028.60-1,054,353.30-415,165.96

Finding the Fourth Proportional to 764,028.60, 1,054,353.30 and 415,165.96

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Solution

The fourth proportional to 764,028.60, 1,054,353.30 and 415,165.96 is: 572,925.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    764,028.60 : 1,054,353.30 = 415,165.96 : x
  2. Step 2: Convert to fraction form
    764,028.60/1,054,353.30 = 415,165.96/x
  3. Step 3: Cross multiply
    764,028.60x = 1,054,353.30 × 415,165.96
  4. Step 4: Simplify right side
    764,028.60x = 437,731,599,973.67
  5. Step 5: Solve for x
    x = 437,731,599,973.67/764,028.60
  6. Step 6: Final answer
    x = 572,925.67

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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.