Home / 1,139,780.93-1,709,673.51-465,861.74

Finding the Fourth Proportional to 1,139,780.93, 1,709,673.51 and 465,861.74

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Solution

The fourth proportional to 1,139,780.93, 1,709,673.51 and 465,861.74 is: 698,793.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,139,780.93 : 1,709,673.51 = 465,861.74 : x
  2. Step 2: Convert to fraction form
    1,139,780.93/1,709,673.51 = 465,861.74/x
  3. Step 3: Cross multiply
    1,139,780.93x = 1,709,673.51 × 465,861.74
  4. Step 4: Simplify right side
    1,139,780.93x = 796,471,467,652.14
  5. Step 5: Solve for x
    x = 796,471,467,652.14/1,139,780.93
  6. Step 6: Final answer
    x = 698,793.47

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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.