Home / 634,365.45-875,343.66-362,450.96

Finding the Fourth Proportional to 634,365.45, 875,343.66 and 362,450.96

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Solution

The fourth proportional to 634,365.45, 875,343.66 and 362,450.96 is: 500,136.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    634,365.45 : 875,343.66 = 362,450.96 : x
  2. Step 2: Convert to fraction form
    634,365.45/875,343.66 = 362,450.96/x
  3. Step 3: Cross multiply
    634,365.45x = 875,343.66 × 362,450.96
  4. Step 4: Simplify right side
    634,365.45x = 317,269,145,520.20
  5. Step 5: Solve for x
    x = 317,269,145,520.20/634,365.45
  6. Step 6: Final answer
    x = 500,136.23

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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.