Home / 875,876.36-1,314,410.70-314,967.56

Finding the Fourth Proportional to 875,876.36, 1,314,410.70 and 314,967.56

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Solution

The fourth proportional to 875,876.36, 1,314,410.70 and 314,967.56 is: 472,665.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    875,876.36 : 1,314,410.70 = 314,967.56 : x
  2. Step 2: Convert to fraction form
    875,876.36/1,314,410.70 = 314,967.56/x
  3. Step 3: Cross multiply
    875,876.36x = 1,314,410.70 × 314,967.56
  4. Step 4: Simplify right side
    875,876.36x = 413,996,731,016.89
  5. Step 5: Solve for x
    x = 413,996,731,016.89/875,876.36
  6. Step 6: Final answer
    x = 472,665.72

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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.