Home / 816,801.67-1,127,024.89-494,541.75

Finding the Fourth Proportional to 816,801.67, 1,127,024.89 and 494,541.75

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Solution

The fourth proportional to 816,801.67, 1,127,024.89 and 494,541.75 is: 682,369.89

Step by Step Solution

  1. Step 1: Write the proportion equation
    816,801.67 : 1,127,024.89 = 494,541.75 : x
  2. Step 2: Convert to fraction form
    816,801.67/1,127,024.89 = 494,541.75/x
  3. Step 3: Cross multiply
    816,801.67x = 1,127,024.89 × 494,541.75
  4. Step 4: Simplify right side
    816,801.67x = 557,360,864,384.15
  5. Step 5: Solve for x
    x = 557,360,864,384.15/816,801.67
  6. Step 6: Final answer
    x = 682,369.89

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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.