Home / 1,993,349.80-2,989,538.70-573,257.80

Finding the Fourth Proportional to 1,993,349.80, 2,989,538.70 and 573,257.80

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Solution

The fourth proportional to 1,993,349.80, 2,989,538.70 and 573,257.80 is: 859,746.93

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,993,349.80 : 2,989,538.70 = 573,257.80 : x
  2. Step 2: Convert to fraction form
    1,993,349.80/2,989,538.70 = 573,257.80/x
  3. Step 3: Cross multiply
    1,993,349.80x = 2,989,538.70 × 573,257.80
  4. Step 4: Simplify right side
    1,993,349.80x = 1,713,776,378,176.86
  5. Step 5: Solve for x
    x = 1,713,776,378,176.86/1,993,349.80
  6. Step 6: Final answer
    x = 859,746.93

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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.