Home / 502,795.56-693,870.12-276,441.06

Finding the Fourth Proportional to 502,795.56, 693,870.12 and 276,441.06

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Solution

The fourth proportional to 502,795.56, 693,870.12 and 276,441.06 is: 381,495.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    502,795.56 : 693,870.12 = 276,441.06 : x
  2. Step 2: Convert to fraction form
    502,795.56/693,870.12 = 276,441.06/x
  3. Step 3: Cross multiply
    502,795.56x = 693,870.12 × 276,441.06
  4. Step 4: Simplify right side
    502,795.56x = 191,814,191,475.13
  5. Step 5: Solve for x
    x = 191,814,191,475.13/502,795.56
  6. Step 6: Final answer
    x = 381,495.40

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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.