Home / 846,638.67-1,269,908.56-619,164.70

Finding the Fourth Proportional to 846,638.67, 1,269,908.56 and 619,164.70

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Solution

The fourth proportional to 846,638.67, 1,269,908.56 and 619,164.70 is: 928,710.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    846,638.67 : 1,269,908.56 = 619,164.70 : x
  2. Step 2: Convert to fraction form
    846,638.67/1,269,908.56 = 619,164.70/x
  3. Step 3: Cross multiply
    846,638.67x = 1,269,908.56 × 619,164.70
  4. Step 4: Simplify right side
    846,638.67x = 786,282,552,579.83
  5. Step 5: Solve for x
    x = 786,282,552,579.83/846,638.67
  6. Step 6: Final answer
    x = 928,710.89

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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.