Home / 984,191.70-1,358,178.36-554,609.82

Finding the Fourth Proportional to 984,191.70, 1,358,178.36 and 554,609.82

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Solution

The fourth proportional to 984,191.70, 1,358,178.36 and 554,609.82 is: 765,358.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    984,191.70 : 1,358,178.36 = 554,609.82 : x
  2. Step 2: Convert to fraction form
    984,191.70/1,358,178.36 = 554,609.82/x
  3. Step 3: Cross multiply
    984,191.70x = 1,358,178.36 × 554,609.82
  4. Step 4: Simplify right side
    984,191.70x = 753,259,055,767.50
  5. Step 5: Solve for x
    x = 753,259,055,767.50/984,191.70
  6. Step 6: Final answer
    x = 765,358.07

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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.