Home / 1,256,674.37-1,734,159.17-683,715.11

Finding the Fourth Proportional to 1,256,674.37, 1,734,159.17 and 683,715.11

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Solution

The fourth proportional to 1,256,674.37, 1,734,159.17 and 683,715.11 is: 943,498.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,256,674.37 : 1,734,159.17 = 683,715.11 : x
  2. Step 2: Convert to fraction form
    1,256,674.37/1,734,159.17 = 683,715.11/x
  3. Step 3: Cross multiply
    1,256,674.37x = 1,734,159.17 × 683,715.11
  4. Step 4: Simplify right side
    1,256,674.37x = 1,185,670,820,712.55
  5. Step 5: Solve for x
    x = 1,185,670,820,712.55/1,256,674.37
  6. Step 6: Final answer
    x = 943,498.85

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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.