Home / 863,886.90-1,192,098.21-476,717.76

Finding the Fourth Proportional to 863,886.90, 1,192,098.21 and 476,717.76

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Solution

The fourth proportional to 863,886.90, 1,192,098.21 and 476,717.76 is: 657,834.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    863,886.90 : 1,192,098.21 = 476,717.76 : x
  2. Step 2: Convert to fraction form
    863,886.90/1,192,098.21 = 476,717.76/x
  3. Step 3: Cross multiply
    863,886.90x = 1,192,098.21 × 476,717.76
  4. Step 4: Simplify right side
    863,886.90x = 568,294,388,371.21
  5. Step 5: Solve for x
    x = 568,294,388,371.21/863,886.90
  6. Step 6: Final answer
    x = 657,834.25

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1.5x scale

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.