Home / 1,916,576.42-2,872,024.52-777,953.14

Finding the Fourth Proportional to 1,916,576.42, 2,872,024.52 and 777,953.14

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Solution

The fourth proportional to 1,916,576.42, 2,872,024.52 and 777,953.14 is: 1,165,776.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,916,576.42 : 2,872,024.52 = 777,953.14 : x
  2. Step 2: Convert to fraction form
    1,916,576.42/2,872,024.52 = 777,953.14/x
  3. Step 3: Cross multiply
    1,916,576.42x = 2,872,024.52 × 777,953.14
  4. Step 4: Simplify right side
    1,916,576.42x = 2,234,300,493,490.99
  5. Step 5: Solve for x
    x = 2,234,300,493,490.99/1,916,576.42
  6. Step 6: Final answer
    x = 1,165,776.89

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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.