Home / 426,558.03-639,956.63-186,692.84

Finding the Fourth Proportional to 426,558.03, 639,956.63 and 186,692.84

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Solution

The fourth proportional to 426,558.03, 639,956.63 and 186,692.84 is: 280,091.59

Step by Step Solution

  1. Step 1: Write the proportion equation
    426,558.03 : 639,956.63 = 186,692.84 : x
  2. Step 2: Convert to fraction form
    426,558.03/639,956.63 = 186,692.84/x
  3. Step 3: Cross multiply
    426,558.03x = 639,956.63 × 186,692.84
  4. Step 4: Simplify right side
    426,558.03x = 119,475,316,598.28
  5. Step 5: Solve for x
    x = 119,475,316,598.28/426,558.03
  6. Step 6: Final answer
    x = 280,091.59

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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.