Home / 903,666.24-1,355,458.32-398,091.96

Finding the Fourth Proportional to 903,666.24, 1,355,458.32 and 398,091.96

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Solution

The fourth proportional to 903,666.24, 1,355,458.32 and 398,091.96 is: 597,119.86

Step by Step Solution

  1. Step 1: Write the proportion equation
    903,666.24 : 1,355,458.32 = 398,091.96 : x
  2. Step 2: Convert to fraction form
    903,666.24/1,355,458.32 = 398,091.96/x
  3. Step 3: Cross multiply
    903,666.24x = 1,355,458.32 × 398,091.96
  4. Step 4: Simplify right side
    903,666.24x = 539,597,059,307.11
  5. Step 5: Solve for x
    x = 539,597,059,307.11/903,666.24
  6. Step 6: Final answer
    x = 597,119.86

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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.