Home / 937,273.12-1,405,618.96-338,156.40

Finding the Fourth Proportional to 937,273.12, 1,405,618.96 and 338,156.40

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Solution

The fourth proportional to 937,273.12, 1,405,618.96 and 338,156.40 is: 507,129.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    937,273.12 : 1,405,618.96 = 338,156.40 : x
  2. Step 2: Convert to fraction form
    937,273.12/1,405,618.96 = 338,156.40/x
  3. Step 3: Cross multiply
    937,273.12x = 1,405,618.96 × 338,156.40
  4. Step 4: Simplify right side
    937,273.12x = 475,319,047,285.34
  5. Step 5: Solve for x
    x = 475,319,047,285.34/937,273.12
  6. Step 6: Final answer
    x = 507,129.71

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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.