Home / 1,252,416.94-1,728,338.72-679,457.11

Finding the Fourth Proportional to 1,252,416.94, 1,728,338.72 and 679,457.11

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Solution

The fourth proportional to 1,252,416.94, 1,728,338.72 and 679,457.11 is: 937,652.62

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,252,416.94 : 1,728,338.72 = 679,457.11 : x
  2. Step 2: Convert to fraction form
    1,252,416.94/1,728,338.72 = 679,457.11/x
  3. Step 3: Cross multiply
    1,252,416.94x = 1,728,338.72 × 679,457.11
  4. Step 4: Simplify right side
    1,252,416.94x = 1,174,332,027,314.80
  5. Step 5: Solve for x
    x = 1,174,332,027,314.80/1,252,416.94
  6. Step 6: Final answer
    x = 937,652.62

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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.