Home / 755,911.71-1,043,158.23-416,379.96

Finding the Fourth Proportional to 755,911.71, 1,043,158.23 and 416,379.96

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Solution

The fourth proportional to 755,911.71, 1,043,158.23 and 416,379.96 is: 574,604.38

Step by Step Solution

  1. Step 1: Write the proportion equation
    755,911.71 : 1,043,158.23 = 416,379.96 : x
  2. Step 2: Convert to fraction form
    755,911.71/1,043,158.23 = 416,379.96/x
  3. Step 3: Cross multiply
    755,911.71x = 1,043,158.23 × 416,379.96
  4. Step 4: Simplify right side
    755,911.71x = 434,350,182,081.07
  5. Step 5: Solve for x
    x = 434,350,182,081.07/755,911.71
  6. Step 6: Final answer
    x = 574,604.38

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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.