Home / 419,039.04-578,262.77-228,048.34

Finding the Fourth Proportional to 419,039.04, 578,262.77 and 228,048.34

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Solution

The fourth proportional to 419,039.04, 578,262.77 and 228,048.34 is: 314,700.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,039.04 : 578,262.77 = 228,048.34 : x
  2. Step 2: Convert to fraction form
    419,039.04/578,262.77 = 228,048.34/x
  3. Step 3: Cross multiply
    419,039.04x = 578,262.77 × 228,048.34
  4. Step 4: Simplify right side
    419,039.04x = 131,871,864,782.30
  5. Step 5: Solve for x
    x = 131,871,864,782.30/419,039.04
  6. Step 6: Final answer
    x = 314,700.67

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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.