Home / 1,389,703.80-2,084,555.70-591,011.40

Finding the Fourth Proportional to 1,389,703.80, 2,084,555.70 and 591,011.40

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Solution

The fourth proportional to 1,389,703.80, 2,084,555.70 and 591,011.40 is: 886,517.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,389,703.80 : 2,084,555.70 = 591,011.40 : x
  2. Step 2: Convert to fraction form
    1,389,703.80/2,084,555.70 = 591,011.40/x
  3. Step 3: Cross multiply
    1,389,703.80x = 2,084,555.70 × 591,011.40
  4. Step 4: Simplify right side
    1,389,703.80x = 1,231,996,182,634.98
  5. Step 5: Solve for x
    x = 1,231,996,182,634.98/1,389,703.80
  6. Step 6: Final answer
    x = 886,517.10

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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.