Home / 1,437,090.38-2,155,981.91-538,539.96

Finding the Fourth Proportional to 1,437,090.38, 2,155,981.91 and 538,539.96

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Solution

The fourth proportional to 1,437,090.38, 2,155,981.91 and 538,539.96 is: 807,939.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,437,090.38 : 2,155,981.91 = 538,539.96 : x
  2. Step 2: Convert to fraction form
    1,437,090.38/2,155,981.91 = 538,539.96/x
  3. Step 3: Cross multiply
    1,437,090.38x = 2,155,981.91 × 538,539.96
  4. Step 4: Simplify right side
    1,437,090.38x = 1,161,082,408,879.42
  5. Step 5: Solve for x
    x = 1,161,082,408,879.42/1,437,090.38
  6. Step 6: Final answer
    x = 807,939.73

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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.