Home / 1,405,877.38-2,108,379.66-507,202

Finding the Fourth Proportional to 1,405,877.38, 2,108,379.66 and 507,202

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Solution

The fourth proportional to 1,405,877.38, 2,108,379.66 and 507,202 is: 760,645.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,405,877.38 : 2,108,379.66 = 507,202 : x
  2. Step 2: Convert to fraction form
    1,405,877.38/2,108,379.66 = 507,202/x
  3. Step 3: Cross multiply
    1,405,877.38x = 2,108,379.66 × 507,202
  4. Step 4: Simplify right side
    1,405,877.38x = 1,069,374,380,311.32
  5. Step 5: Solve for x
    x = 1,069,374,380,311.32/1,405,877.38
  6. Step 6: Final answer
    x = 760,645.56

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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.