Home / 1,743,167.32-2,405,673.66-1,312,687.96

Finding the Fourth Proportional to 1,743,167.32, 2,405,673.66 and 1,312,687.96

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Solution

The fourth proportional to 1,743,167.32, 2,405,673.66 and 1,312,687.96 is: 1,811,586.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,743,167.32 : 2,405,673.66 = 1,312,687.96 : x
  2. Step 2: Convert to fraction form
    1,743,167.32/2,405,673.66 = 1,312,687.96/x
  3. Step 3: Cross multiply
    1,743,167.32x = 2,405,673.66 × 1,312,687.96
  4. Step 4: Simplify right side
    1,743,167.32x = 3,157,898,849,171.13
  5. Step 5: Solve for x
    x = 3,157,898,849,171.13/1,743,167.32
  6. Step 6: Final answer
    x = 1,811,586.77

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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.