Home / 654,619.80-981,929.70-233,909.40

Finding the Fourth Proportional to 654,619.80, 981,929.70 and 233,909.40

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Solution

The fourth proportional to 654,619.80, 981,929.70 and 233,909.40 is: 350,864.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    654,619.80 : 981,929.70 = 233,909.40 : x
  2. Step 2: Convert to fraction form
    654,619.80/981,929.70 = 233,909.40/x
  3. Step 3: Cross multiply
    654,619.80x = 981,929.70 × 233,909.40
  4. Step 4: Simplify right side
    654,619.80x = 229,682,586,969.18
  5. Step 5: Solve for x
    x = 229,682,586,969.18/654,619.80
  6. Step 6: Final answer
    x = 350,864.10

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1.5x scale

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.