Home / 679,836.45-938,201.07-373,941.29

Finding the Fourth Proportional to 679,836.45, 938,201.07 and 373,941.29

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Solution

The fourth proportional to 679,836.45, 938,201.07 and 373,941.29 is: 516,053.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    679,836.45 : 938,201.07 = 373,941.29 : x
  2. Step 2: Convert to fraction form
    679,836.45/938,201.07 = 373,941.29/x
  3. Step 3: Cross multiply
    679,836.45x = 938,201.07 × 373,941.29
  4. Step 4: Simplify right side
    679,836.45x = 350,832,117,573.67
  5. Step 5: Solve for x
    x = 350,832,117,573.67/679,836.45
  6. Step 6: Final answer
    x = 516,053.71

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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.