Home / 1,256,674.74-1,734,159.69-683,715.48

Finding the Fourth Proportional to 1,256,674.74, 1,734,159.69 and 683,715.48

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Solution

The fourth proportional to 1,256,674.74, 1,734,159.69 and 683,715.48 is: 943,499.37

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,674.74 : 1,734,159.69 = 683,715.48 : x
  2. Step 2: Convert to fraction form
    1,256,674.74/1,734,159.69 = 683,715.48/x
  3. Step 3: Cross multiply
    1,256,674.74x = 1,734,159.69 × 683,715.48
  4. Step 4: Simplify right side
    1,256,674.74x = 1,185,671,824,845.00
  5. Step 5: Solve for x
    x = 1,185,671,824,845.00/1,256,674.74
  6. Step 6: Final answer
    x = 943,499.37

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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.