Home / 419,032.31-578,246.65-228,045.24

Finding the Fourth Proportional to 419,032.31, 578,246.65 and 228,045.24

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Solution

The fourth proportional to 419,032.31, 578,246.65 and 228,045.24 is: 314,692.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,032.31 : 578,246.65 = 228,045.24 : x
  2. Step 2: Convert to fraction form
    419,032.31/578,246.65 = 228,045.24/x
  3. Step 3: Cross multiply
    419,032.31x = 578,246.65 × 228,045.24
  4. Step 4: Simplify right side
    419,032.31x = 131,866,395,508.33
  5. Step 5: Solve for x
    x = 131,866,395,508.33/419,032.31
  6. Step 6: Final answer
    x = 314,692.67

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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.