Home / 1,351,864.56-1,865,445.48-807,892.05

Finding the Fourth Proportional to 1,351,864.56, 1,865,445.48 and 807,892.05

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Solution

The fourth proportional to 1,351,864.56, 1,865,445.48 and 807,892.05 is: 1,114,814.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,351,864.56 : 1,865,445.48 = 807,892.05 : x
  2. Step 2: Convert to fraction form
    1,351,864.56/1,865,445.48 = 807,892.05/x
  3. Step 3: Cross multiply
    1,351,864.56x = 1,865,445.48 × 807,892.05
  4. Step 4: Simplify right side
    1,351,864.56x = 1,507,078,573,000.43
  5. Step 5: Solve for x
    x = 1,507,078,573,000.43/1,351,864.56
  6. Step 6: Final answer
    x = 1,114,814.77

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.