Home / 1,256,877.50-1,734,476.37-683,907.80

Finding the Fourth Proportional to 1,256,877.50, 1,734,476.37 and 683,907.80

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Solution

The fourth proportional to 1,256,877.50, 1,734,476.37 and 683,907.80 is: 943,784.83

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,877.50 : 1,734,476.37 = 683,907.80 : x
  2. Step 2: Convert to fraction form
    1,256,877.50/1,734,476.37 = 683,907.80/x
  3. Step 3: Cross multiply
    1,256,877.50x = 1,734,476.37 × 683,907.80
  4. Step 4: Simplify right side
    1,256,877.50x = 1,186,221,918,358.69
  5. Step 5: Solve for x
    x = 1,186,221,918,358.69/1,256,877.50
  6. Step 6: Final answer
    x = 943,784.83

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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.