Home / 419,152.58-578,949.90-304,247.60

Finding the Fourth Proportional to 419,152.58, 578,949.90 and 304,247.60

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Solution

The fourth proportional to 419,152.58, 578,949.90 and 304,247.60 is: 420,238.66

Step by Step Solution

  1. Step 1: Write the proportion equation
    419,152.58 : 578,949.90 = 304,247.60 : x
  2. Step 2: Convert to fraction form
    419,152.58/578,949.90 = 304,247.60/x
  3. Step 3: Cross multiply
    419,152.58x = 578,949.90 × 304,247.60
  4. Step 4: Simplify right side
    419,152.58x = 176,144,117,595.24
  5. Step 5: Solve for x
    x = 176,144,117,595.24/419,152.58
  6. Step 6: Final answer
    x = 420,238.66

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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.