Home / 984,317.06-1,476,681.64-415,699.80

Finding the Fourth Proportional to 984,317.06, 1,476,681.64 and 415,699.80

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Solution

The fourth proportional to 984,317.06, 1,476,681.64 and 415,699.80 is: 623,636.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,317.06 : 1,476,681.64 = 415,699.80 : x
  2. Step 2: Convert to fraction form
    984,317.06/1,476,681.64 = 415,699.80/x
  3. Step 3: Cross multiply
    984,317.06x = 1,476,681.64 × 415,699.80
  4. Step 4: Simplify right side
    984,317.06x = 613,856,255,834.87
  5. Step 5: Solve for x
    x = 613,856,255,834.87/984,317.06
  6. Step 6: Final answer
    x = 623,636.71

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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.