Home / 756,122.73-1,043,448.90-416,590.98

Finding the Fourth Proportional to 756,122.73, 1,043,448.90 and 416,590.98

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Solution

The fourth proportional to 756,122.73, 1,043,448.90 and 416,590.98 is: 574,895.29

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,122.73 : 1,043,448.90 = 416,590.98 : x
  2. Step 2: Convert to fraction form
    756,122.73/1,043,448.90 = 416,590.98/x
  3. Step 3: Cross multiply
    756,122.73x = 1,043,448.90 × 416,590.98
  4. Step 4: Simplify right side
    756,122.73x = 434,691,399,830.92
  5. Step 5: Solve for x
    x = 434,691,399,830.92/756,122.73
  6. Step 6: Final answer
    x = 574,895.29

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.