Home / 831,342.38-1,245,034.34-530,892.32

Finding the Fourth Proportional to 831,342.38, 1,245,034.34 and 530,892.32

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Solution

The fourth proportional to 831,342.38, 1,245,034.34 and 530,892.32 is: 795,074.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    831,342.38 : 1,245,034.34 = 530,892.32 : x
  2. Step 2: Convert to fraction form
    831,342.38/1,245,034.34 = 530,892.32/x
  3. Step 3: Cross multiply
    831,342.38x = 1,245,034.34 × 530,892.32
  4. Step 4: Simplify right side
    831,342.38x = 660,979,166,587.81
  5. Step 5: Solve for x
    x = 660,979,166,587.81/831,342.38
  6. Step 6: Final answer
    x = 795,074.55

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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.