Home / 755,855.42-1,043,080.38-416,323.67

Finding the Fourth Proportional to 755,855.42, 1,043,080.38 and 416,323.67

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Solution

The fourth proportional to 755,855.42, 1,043,080.38 and 416,323.67 is: 574,526.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,855.42 : 1,043,080.38 = 416,323.67 : x
  2. Step 2: Convert to fraction form
    755,855.42/1,043,080.38 = 416,323.67/x
  3. Step 3: Cross multiply
    755,855.42x = 1,043,080.38 × 416,323.67
  4. Step 4: Simplify right side
    755,855.42x = 434,259,046,691.19
  5. Step 5: Solve for x
    x = 434,259,046,691.19/755,855.42
  6. Step 6: Final answer
    x = 574,526.61

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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.