Home / 692,926.40-1,040,458.80-377,998.40

Finding the Fourth Proportional to 692,926.40, 1,040,458.80 and 377,998.40

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Solution

The fourth proportional to 692,926.40, 1,040,458.80 and 377,998.40 is: 567,580.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    692,926.40 : 1,040,458.80 = 377,998.40 : x
  2. Step 2: Convert to fraction form
    692,926.40/1,040,458.80 = 377,998.40/x
  3. Step 3: Cross multiply
    692,926.40x = 1,040,458.80 × 377,998.40
  4. Step 4: Simplify right side
    692,926.40x = 393,291,761,665.92
  5. Step 5: Solve for x
    x = 393,291,761,665.92/692,926.40
  6. Step 6: Final answer
    x = 567,580.86

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.