Home / 981,877.72-1,469,666.23-525,326.84

Finding the Fourth Proportional to 981,877.72, 1,469,666.23 and 525,326.84

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Solution

The fourth proportional to 981,877.72, 1,469,666.23 and 525,326.84 is: 786,304.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    981,877.72 : 1,469,666.23 = 525,326.84 : x
  2. Step 2: Convert to fraction form
    981,877.72/1,469,666.23 = 525,326.84/x
  3. Step 3: Cross multiply
    981,877.72x = 1,469,666.23 × 525,326.84
  4. Step 4: Simplify right side
    981,877.72x = 772,055,116,265.18
  5. Step 5: Solve for x
    x = 772,055,116,265.18/981,877.72
  6. Step 6: Final answer
    x = 786,304.75

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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.