Home / 756,170.61-1,043,502.30-412,009.40

Finding the Fourth Proportional to 756,170.61, 1,043,502.30 and 412,009.40

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Solution

The fourth proportional to 756,170.61, 1,043,502.30 and 412,009.40 is: 568,565.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    756,170.61 : 1,043,502.30 = 412,009.40 : x
  2. Step 2: Convert to fraction form
    756,170.61/1,043,502.30 = 412,009.40/x
  3. Step 3: Cross multiply
    756,170.61x = 1,043,502.30 × 412,009.40
  4. Step 4: Simplify right side
    756,170.61x = 429,932,751,304.11
  5. Step 5: Solve for x
    x = 429,932,751,304.11/756,170.61
  6. Step 6: Final answer
    x = 568,565.80

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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.