Home / 1,217,663.85-1,826,508.33-543,779.49

Finding the Fourth Proportional to 1,217,663.85, 1,826,508.33 and 543,779.49

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Solution

The fourth proportional to 1,217,663.85, 1,826,508.33 and 543,779.49 is: 815,674.84

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,663.85 : 1,826,508.33 = 543,779.49 : x
  2. Step 2: Convert to fraction form
    1,217,663.85/1,826,508.33 = 543,779.49/x
  3. Step 3: Cross multiply
    1,217,663.85x = 1,826,508.33 × 543,779.49
  4. Step 4: Simplify right side
    1,217,663.85x = 993,217,768,168.15
  5. Step 5: Solve for x
    x = 993,217,768,168.15/1,217,663.85
  6. Step 6: Final answer
    x = 815,674.84

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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.