Home / 857,091.32-1,285,647.96-590,780.36

Finding the Fourth Proportional to 857,091.32, 1,285,647.96 and 590,780.36

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Solution

The fourth proportional to 857,091.32, 1,285,647.96 and 590,780.36 is: 886,178.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    857,091.32 : 1,285,647.96 = 590,780.36 : x
  2. Step 2: Convert to fraction form
    857,091.32/1,285,647.96 = 590,780.36/x
  3. Step 3: Cross multiply
    857,091.32x = 1,285,647.96 × 590,780.36
  4. Step 4: Simplify right side
    857,091.32x = 759,535,564,642.07
  5. Step 5: Solve for x
    x = 759,535,564,642.07/857,091.32
  6. Step 6: Final answer
    x = 886,178.11

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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.