Home / 756,243-1,043,637.30-416,733.12

Finding the Fourth Proportional to 756,243, 1,043,637.30 and 416,733.12

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Solution

The fourth proportional to 756,243, 1,043,637.30 and 416,733.12 is: 575,103.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,243 : 1,043,637.30 = 416,733.12 : x
  2. Step 2: Convert to fraction form
    756,243/1,043,637.30 = 416,733.12/x
  3. Step 3: Cross multiply
    756,243x = 1,043,637.30 × 416,733.12
  4. Step 4: Simplify right side
    756,243x = 434,918,228,177.38
  5. Step 5: Solve for x
    x = 434,918,228,177.38/756,243
  6. Step 6: Final answer
    x = 575,103.81

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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.