Home / 939,665.39-1,296,740.00-557,768.75

Finding the Fourth Proportional to 939,665.39, 1,296,740.00 and 557,768.75

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Solution

The fourth proportional to 939,665.39, 1,296,740.00 and 557,768.75 is: 769,721.92

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,665.39 : 1,296,740.00 = 557,768.75 : x
  2. Step 2: Convert to fraction form
    939,665.39/1,296,740.00 = 557,768.75/x
  3. Step 3: Cross multiply
    939,665.39x = 1,296,740.00 × 557,768.75
  4. Step 4: Simplify right side
    939,665.39x = 723,281,043,785.72
  5. Step 5: Solve for x
    x = 723,281,043,785.72/939,665.39
  6. Step 6: Final answer
    x = 769,721.92

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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.