Home / 857,557.80-1,294,118.64-828,971.82

Finding the Fourth Proportional to 857,557.80, 1,294,118.64 and 828,971.82

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Solution

The fourth proportional to 857,557.80, 1,294,118.64 and 828,971.82 is: 1,250,980.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,557.80 : 1,294,118.64 = 828,971.82 : x
  2. Step 2: Convert to fraction form
    857,557.80/1,294,118.64 = 828,971.82/x
  3. Step 3: Cross multiply
    857,557.80x = 1,294,118.64 × 828,971.82
  4. Step 4: Simplify right side
    857,557.80x = 1,072,787,884,296.72
  5. Step 5: Solve for x
    x = 1,072,787,884,296.72/857,557.80
  6. Step 6: Final answer
    x = 1,250,980.27

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Why These Related Problems?

These problems maintain the same ratio (1.51) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.