Home / 1,289,878.11-1,935,594.81-449,020.35

Finding the Fourth Proportional to 1,289,878.11, 1,935,594.81 and 449,020.35

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Solution

The fourth proportional to 1,289,878.11, 1,935,594.81 and 449,020.35 is: 673,801.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,289,878.11 : 1,935,594.81 = 449,020.35 : x
  2. Step 2: Convert to fraction form
    1,289,878.11/1,935,594.81 = 449,020.35/x
  3. Step 3: Cross multiply
    1,289,878.11x = 1,935,594.81 × 449,020.35
  4. Step 4: Simplify right side
    1,289,878.11x = 869,121,459,044.38
  5. Step 5: Solve for x
    x = 869,121,459,044.38/1,289,878.11
  6. Step 6: Final answer
    x = 673,801.23

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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.