Home / 1,259,066.54-1,737,511.90-686,106.56

Finding the Fourth Proportional to 1,259,066.54, 1,737,511.90 and 686,106.56

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Solution

The fourth proportional to 1,259,066.54, 1,737,511.90 and 686,106.56 is: 946,827.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,259,066.54 : 1,737,511.90 = 686,106.56 : x
  2. Step 2: Convert to fraction form
    1,259,066.54/1,737,511.90 = 686,106.56/x
  3. Step 3: Cross multiply
    1,259,066.54x = 1,737,511.90 × 686,106.56
  4. Step 4: Simplify right side
    1,259,066.54x = 1,192,118,312,668.06
  5. Step 5: Solve for x
    x = 1,192,118,312,668.06/1,259,066.54
  6. Step 6: Final answer
    x = 946,827.09

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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.