Home / 1,381,692.40-2,072,538.60-482,835.40

Finding the Fourth Proportional to 1,381,692.40, 2,072,538.60 and 482,835.40

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Solution

The fourth proportional to 1,381,692.40, 2,072,538.60 and 482,835.40 is: 724,253.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,381,692.40 : 2,072,538.60 = 482,835.40 : x
  2. Step 2: Convert to fraction form
    1,381,692.40/2,072,538.60 = 482,835.40/x
  3. Step 3: Cross multiply
    1,381,692.40x = 2,072,538.60 × 482,835.40
  4. Step 4: Simplify right side
    1,381,692.40x = 1,000,695,003,946.44
  5. Step 5: Solve for x
    x = 1,000,695,003,946.44/1,381,692.40
  6. Step 6: Final answer
    x = 724,253.10

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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.