Home / 1,196,779.87-1,651,548.23-680,533.79

Finding the Fourth Proportional to 1,196,779.87, 1,651,548.23 and 680,533.79

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Solution

The fourth proportional to 1,196,779.87, 1,651,548.23 and 680,533.79 is: 939,132.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,196,779.87 : 1,651,548.23 = 680,533.79 : x
  2. Step 2: Convert to fraction form
    1,196,779.87/1,651,548.23 = 680,533.79/x
  3. Step 3: Cross multiply
    1,196,779.87x = 1,651,548.23 × 680,533.79
  4. Step 4: Simplify right side
    1,196,779.87x = 1,123,934,376,329.69
  5. Step 5: Solve for x
    x = 1,123,934,376,329.69/1,196,779.87
  6. Step 6: Final answer
    x = 939,132.09

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.