Home / 699,188.96-1,048,029.90-338,596.40

Finding the Fourth Proportional to 699,188.96, 1,048,029.90 and 338,596.40

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Solution

The fourth proportional to 699,188.96, 1,048,029.90 and 338,596.40 is: 507,529.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    699,188.96 : 1,048,029.90 = 338,596.40 : x
  2. Step 2: Convert to fraction form
    699,188.96/1,048,029.90 = 338,596.40/x
  3. Step 3: Cross multiply
    699,188.96x = 1,048,029.90 × 338,596.40
  4. Step 4: Simplify right side
    699,188.96x = 354,859,151,232.36
  5. Step 5: Solve for x
    x = 354,859,151,232.36/699,188.96
  6. Step 6: Final answer
    x = 507,529.68

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1.5x scale

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.