Home / 1,237,191.40-1,855,787.10-739,527.40

Finding the Fourth Proportional to 1,237,191.40, 1,855,787.10 and 739,527.40

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Solution

The fourth proportional to 1,237,191.40, 1,855,787.10 and 739,527.40 is: 1,109,291.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,237,191.40 : 1,855,787.10 = 739,527.40 : x
  2. Step 2: Convert to fraction form
    1,237,191.40/1,855,787.10 = 739,527.40/x
  3. Step 3: Cross multiply
    1,237,191.40x = 1,855,787.10 × 739,527.40
  4. Step 4: Simplify right side
    1,237,191.40x = 1,372,405,409,016.54
  5. Step 5: Solve for x
    x = 1,372,405,409,016.54/1,237,191.40
  6. Step 6: Final answer
    x = 1,109,291.10

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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.