Home / 939,516.10-1,296,528.33-557,857.06

Finding the Fourth Proportional to 939,516.10, 1,296,528.33 and 557,857.06

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Solution

The fourth proportional to 939,516.10, 1,296,528.33 and 557,857.06 is: 769,840.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    939,516.10 : 1,296,528.33 = 557,857.06 : x
  2. Step 2: Convert to fraction form
    939,516.10/1,296,528.33 = 557,857.06/x
  3. Step 3: Cross multiply
    939,516.10x = 1,296,528.33 × 557,857.06
  4. Step 4: Simplify right side
    939,516.10x = 723,277,482,380.51
  5. Step 5: Solve for x
    x = 723,277,482,380.51/939,516.10
  6. Step 6: Final answer
    x = 769,840.43

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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.