Home / 1,126,129.50-1,554,059.52-616,833.90

Finding the Fourth Proportional to 1,126,129.50, 1,554,059.52 and 616,833.90

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Solution

The fourth proportional to 1,126,129.50, 1,554,059.52 and 616,833.90 is: 851,231.23

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,129.50 : 1,554,059.52 = 616,833.90 : x
  2. Step 2: Convert to fraction form
    1,126,129.50/1,554,059.52 = 616,833.90/x
  3. Step 3: Cross multiply
    1,126,129.50x = 1,554,059.52 × 616,833.90
  4. Step 4: Simplify right side
    1,126,129.50x = 958,596,594,553.73
  5. Step 5: Solve for x
    x = 958,596,594,553.73/1,126,129.50
  6. Step 6: Final answer
    x = 851,231.23

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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.