Home / 1,219,178.04-1,682,521.07-675,313.75

Finding the Fourth Proportional to 1,219,178.04, 1,682,521.07 and 675,313.75

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Solution

The fourth proportional to 1,219,178.04, 1,682,521.07 and 675,313.75 is: 931,963.65

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,219,178.04 : 1,682,521.07 = 675,313.75 : x
  2. Step 2: Convert to fraction form
    1,219,178.04/1,682,521.07 = 675,313.75/x
  3. Step 3: Cross multiply
    1,219,178.04x = 1,682,521.07 × 675,313.75
  4. Step 4: Simplify right side
    1,219,178.04x = 1,136,229,613,235.71
  5. Step 5: Solve for x
    x = 1,136,229,613,235.71/1,219,178.04
  6. Step 6: Final answer
    x = 931,963.65

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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.