Home / 756,308.76-1,043,701.11-416,777.28

Finding the Fourth Proportional to 756,308.76, 1,043,701.11 and 416,777.28

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Solution

The fourth proportional to 756,308.76, 1,043,701.11 and 416,777.28 is: 575,149.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,308.76 : 1,043,701.11 = 416,777.28 : x
  2. Step 2: Convert to fraction form
    756,308.76/1,043,701.11 = 416,777.28/x
  3. Step 3: Cross multiply
    756,308.76x = 1,043,701.11 × 416,777.28
  4. Step 4: Simplify right side
    756,308.76x = 434,990,909,758.78
  5. Step 5: Solve for x
    x = 434,990,909,758.78/756,308.76
  6. Step 6: Final answer
    x = 575,149.90

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Double scale
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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.