Home / 1,217,315.88-1,825,617.06-458,609.94

Finding the Fourth Proportional to 1,217,315.88, 1,825,617.06 and 458,609.94

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Solution

The fourth proportional to 1,217,315.88, 1,825,617.06 and 458,609.94 is: 687,780.50

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,217,315.88 : 1,825,617.06 = 458,609.94 : x
  2. Step 2: Convert to fraction form
    1,217,315.88/1,825,617.06 = 458,609.94/x
  3. Step 3: Cross multiply
    1,217,315.88x = 1,825,617.06 × 458,609.94
  4. Step 4: Simplify right side
    1,217,315.88x = 837,246,130,349.58
  5. Step 5: Solve for x
    x = 837,246,130,349.58/1,217,315.88
  6. Step 6: Final answer
    x = 687,780.50

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.