Home / 756,365.90-1,043,784.92-416,834.15

Finding the Fourth Proportional to 756,365.90, 1,043,784.92 and 416,834.15

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Solution

The fourth proportional to 756,365.90, 1,043,784.92 and 416,834.15 is: 575,231.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,365.90 : 1,043,784.92 = 416,834.15 : x
  2. Step 2: Convert to fraction form
    756,365.90/1,043,784.92 = 416,834.15/x
  3. Step 3: Cross multiply
    756,365.90x = 1,043,784.92 × 416,834.15
  4. Step 4: Simplify right side
    756,365.90x = 435,085,194,171.05
  5. Step 5: Solve for x
    x = 435,085,194,171.05/756,365.90
  6. Step 6: Final answer
    x = 575,231.11

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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.