Home / 1,114,817.73-1,672,290.18-316,036.50

Finding the Fourth Proportional to 1,114,817.73, 1,672,290.18 and 316,036.50

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Solution

The fourth proportional to 1,114,817.73, 1,672,290.18 and 316,036.50 is: 474,072.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,114,817.73 : 1,672,290.18 = 316,036.50 : x
  2. Step 2: Convert to fraction form
    1,114,817.73/1,672,290.18 = 316,036.50/x
  3. Step 3: Cross multiply
    1,114,817.73x = 1,672,290.18 × 316,036.50
  4. Step 4: Simplify right side
    1,114,817.73x = 528,504,735,471.57
  5. Step 5: Solve for x
    x = 528,504,735,471.57/1,114,817.73
  6. Step 6: Final answer
    x = 474,072.78

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Double scale
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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.