Home / 676,422.16-933,429.24-370,499.92

Finding the Fourth Proportional to 676,422.16, 933,429.24 and 370,499.92

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Solution

The fourth proportional to 676,422.16, 933,429.24 and 370,499.92 is: 511,271.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,422.16 : 933,429.24 = 370,499.92 : x
  2. Step 2: Convert to fraction form
    676,422.16/933,429.24 = 370,499.92/x
  3. Step 3: Cross multiply
    676,422.16x = 933,429.24 × 370,499.92
  4. Step 4: Simplify right side
    676,422.16x = 345,835,458,745.66
  5. Step 5: Solve for x
    x = 345,835,458,745.66/676,422.16
  6. Step 6: Final answer
    x = 511,271.63

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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.