Home / 1,016,684.40-1,401,874.05-648,669.09

Finding the Fourth Proportional to 1,016,684.40, 1,401,874.05 and 648,669.09

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Solution

The fourth proportional to 1,016,684.40, 1,401,874.05 and 648,669.09 is: 894,429.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,016,684.40 : 1,401,874.05 = 648,669.09 : x
  2. Step 2: Convert to fraction form
    1,016,684.40/1,401,874.05 = 648,669.09/x
  3. Step 3: Cross multiply
    1,016,684.40x = 1,401,874.05 × 648,669.09
  4. Step 4: Simplify right side
    1,016,684.40x = 909,352,364,308.12
  5. Step 5: Solve for x
    x = 909,352,364,308.12/1,016,684.40
  6. Step 6: Final answer
    x = 894,429.35

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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.