Home / 1,039,780.80-1,560,189.60-590,846.40

Finding the Fourth Proportional to 1,039,780.80, 1,560,189.60 and 590,846.40

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Solution

The fourth proportional to 1,039,780.80, 1,560,189.60 and 590,846.40 is: 886,564.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,039,780.80 : 1,560,189.60 = 590,846.40 : x
  2. Step 2: Convert to fraction form
    1,039,780.80/1,560,189.60 = 590,846.40/x
  3. Step 3: Cross multiply
    1,039,780.80x = 1,560,189.60 × 590,846.40
  4. Step 4: Simplify right side
    1,039,780.80x = 921,832,408,477.44
  5. Step 5: Solve for x
    x = 921,832,408,477.44/1,039,780.80
  6. Step 6: Final answer
    x = 886,564.18

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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.