Home / 766,667.05-1,057,975.70-440,033.81

Finding the Fourth Proportional to 766,667.05, 1,057,975.70 and 440,033.81

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Solution

The fourth proportional to 766,667.05, 1,057,975.70 and 440,033.81 is: 607,232.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    766,667.05 : 1,057,975.70 = 440,033.81 : x
  2. Step 2: Convert to fraction form
    766,667.05/1,057,975.70 = 440,033.81/x
  3. Step 3: Cross multiply
    766,667.05x = 1,057,975.70 × 440,033.81
  4. Step 4: Simplify right side
    766,667.05x = 465,545,070,668.37
  5. Step 5: Solve for x
    x = 465,545,070,668.37/766,667.05
  6. Step 6: Final answer
    x = 607,232.40

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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.