Home / 706,450.16-974,905.80-384,163.76

Finding the Fourth Proportional to 706,450.16, 974,905.80 and 384,163.76

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Solution

The fourth proportional to 706,450.16, 974,905.80 and 384,163.76 is: 530,148.48

Step by Step Solution

  1. Step 1: Write the proportion equation
    706,450.16 : 974,905.80 = 384,163.76 : x
  2. Step 2: Convert to fraction form
    706,450.16/974,905.80 = 384,163.76/x
  3. Step 3: Cross multiply
    706,450.16x = 974,905.80 × 384,163.76
  4. Step 4: Simplify right side
    706,450.16x = 374,523,477,773.81
  5. Step 5: Solve for x
    x = 374,523,477,773.81/706,450.16
  6. Step 6: Final answer
    x = 530,148.48

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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.