Home / 691,137.80-1,036,706.70-573,039.80

Finding the Fourth Proportional to 691,137.80, 1,036,706.70 and 573,039.80

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Solution

The fourth proportional to 691,137.80, 1,036,706.70 and 573,039.80 is: 859,559.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    691,137.80 : 1,036,706.70 = 573,039.80 : x
  2. Step 2: Convert to fraction form
    691,137.80/1,036,706.70 = 573,039.80/x
  3. Step 3: Cross multiply
    691,137.80x = 1,036,706.70 × 573,039.80
  4. Step 4: Simplify right side
    691,137.80x = 594,074,200,026.66
  5. Step 5: Solve for x
    x = 594,074,200,026.66/691,137.80
  6. Step 6: Final answer
    x = 859,559.70

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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.