Home / 868,953.90-1,199,227.39-481,890.54

Finding the Fourth Proportional to 868,953.90, 1,199,227.39 and 481,890.54

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Solution

The fourth proportional to 868,953.90, 1,199,227.39 and 481,890.54 is: 665,048.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    868,953.90 : 1,199,227.39 = 481,890.54 : x
  2. Step 2: Convert to fraction form
    868,953.90/1,199,227.39 = 481,890.54/x
  3. Step 3: Cross multiply
    868,953.90x = 1,199,227.39 × 481,890.54
  4. Step 4: Simplify right side
    868,953.90x = 577,896,334,549.89
  5. Step 5: Solve for x
    x = 577,896,334,549.89/868,953.90
  6. Step 6: Final answer
    x = 665,048.32

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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.