Home / 1,216,909.71-1,679,324.81-673,085.43

Finding the Fourth Proportional to 1,216,909.71, 1,679,324.81 and 673,085.43

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Solution

The fourth proportional to 1,216,909.71, 1,679,324.81 and 673,085.43 is: 928,852.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,909.71 : 1,679,324.81 = 673,085.43 : x
  2. Step 2: Convert to fraction form
    1,216,909.71/1,679,324.81 = 673,085.43/x
  3. Step 3: Cross multiply
    1,216,909.71x = 1,679,324.81 × 673,085.43
  4. Step 4: Simplify right side
    1,216,909.71x = 1,130,329,058,483.09
  5. Step 5: Solve for x
    x = 1,130,329,058,483.09/1,216,909.71
  6. Step 6: Final answer
    x = 928,852.03

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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.