Home / 1,685,276.34-2,528,289.12-786,227.63

Finding the Fourth Proportional to 1,685,276.34, 2,528,289.12 and 786,227.63

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Solution

The fourth proportional to 1,685,276.34, 2,528,289.12 and 786,227.63 is: 1,179,516.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,685,276.34 : 2,528,289.12 = 786,227.63 : x
  2. Step 2: Convert to fraction form
    1,685,276.34/2,528,289.12 = 786,227.63/x
  3. Step 3: Cross multiply
    1,685,276.34x = 2,528,289.12 × 786,227.63
  4. Step 4: Simplify right side
    1,685,276.34x = 1,987,810,769,093.11
  5. Step 5: Solve for x
    x = 1,987,810,769,093.11/1,685,276.34
  6. Step 6: Final answer
    x = 1,179,516.21

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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.