Home / 1,054,420.20-1,581,630.30-1,013,085.90

Finding the Fourth Proportional to 1,054,420.20, 1,581,630.30 and 1,013,085.90

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Solution

The fourth proportional to 1,054,420.20, 1,581,630.30 and 1,013,085.90 is: 1,519,628.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,054,420.20 : 1,581,630.30 = 1,013,085.90 : x
  2. Step 2: Convert to fraction form
    1,054,420.20/1,581,630.30 = 1,013,085.90/x
  3. Step 3: Cross multiply
    1,054,420.20x = 1,581,630.30 × 1,013,085.90
  4. Step 4: Simplify right side
    1,054,420.20x = 1,602,327,355,942.77
  5. Step 5: Solve for x
    x = 1,602,327,355,942.77/1,054,420.20
  6. Step 6: Final answer
    x = 1,519,628.85

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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.