Home / 1,223,858.94-1,688,887.24-672,573.34

Finding the Fourth Proportional to 1,223,858.94, 1,688,887.24 and 672,573.34

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Solution

The fourth proportional to 1,223,858.94, 1,688,887.24 and 672,573.34 is: 928,130.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,223,858.94 : 1,688,887.24 = 672,573.34 : x
  2. Step 2: Convert to fraction form
    1,223,858.94/1,688,887.24 = 672,573.34/x
  3. Step 3: Cross multiply
    1,223,858.94x = 1,688,887.24 × 672,573.34
  4. Step 4: Simplify right side
    1,223,858.94x = 1,135,900,531,890.18
  5. Step 5: Solve for x
    x = 1,135,900,531,890.18/1,223,858.94
  6. Step 6: Final answer
    x = 928,130.27

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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.