Home / 1,557,967.36-2,150,353.70-913,595.22

Finding the Fourth Proportional to 1,557,967.36, 2,150,353.70 and 913,595.22

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Solution

The fourth proportional to 1,557,967.36, 2,150,353.70 and 913,595.22 is: 1,260,971.77

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,557,967.36 : 2,150,353.70 = 913,595.22 : x
  2. Step 2: Convert to fraction form
    1,557,967.36/2,150,353.70 = 913,595.22/x
  3. Step 3: Cross multiply
    1,557,967.36x = 2,150,353.70 × 913,595.22
  4. Step 4: Simplify right side
    1,557,967.36x = 1,964,552,861,629.31
  5. Step 5: Solve for x
    x = 1,964,552,861,629.31/1,557,967.36
  6. Step 6: Final answer
    x = 1,260,971.77

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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.