Home / 705,964.50-1,057,767.39-439,066.26

Finding the Fourth Proportional to 705,964.50, 1,057,767.39 and 439,066.26

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Solution

The fourth proportional to 705,964.50, 1,057,767.39 and 439,066.26 is: 657,865.90

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,964.50 : 1,057,767.39 = 439,066.26 : x
  2. Step 2: Convert to fraction form
    705,964.50/1,057,767.39 = 439,066.26/x
  3. Step 3: Cross multiply
    705,964.50x = 1,057,767.39 × 439,066.26
  4. Step 4: Simplify right side
    705,964.50x = 464,429,971,877.26
  5. Step 5: Solve for x
    x = 464,429,971,877.26/705,964.50
  6. Step 6: Final answer
    x = 657,865.90

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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.