Home / 756,326.19-1,043,730.33-412,162.40

Finding the Fourth Proportional to 756,326.19, 1,043,730.33 and 412,162.40

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Solution

The fourth proportional to 756,326.19, 1,043,730.33 and 412,162.40 is: 568,784.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,326.19 : 1,043,730.33 = 412,162.40 : x
  2. Step 2: Convert to fraction form
    756,326.19/1,043,730.33 = 412,162.40/x
  3. Step 3: Cross multiply
    756,326.19x = 1,043,730.33 × 412,162.40
  4. Step 4: Simplify right side
    756,326.19x = 430,186,399,371.42
  5. Step 5: Solve for x
    x = 430,186,399,371.42/756,326.19
  6. Step 6: Final answer
    x = 568,784.22

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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.