Home / 729,101.80-1,095,726.30-637,863.40

Finding the Fourth Proportional to 729,101.80, 1,095,726.30 and 637,863.40

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Solution

The fourth proportional to 729,101.80, 1,095,726.30 and 637,863.40 is: 958,609.21

Step by Step Solution

  1. Step 1: Write the proportion equation
    729,101.80 : 1,095,726.30 = 637,863.40 : x
  2. Step 2: Convert to fraction form
    729,101.80/1,095,726.30 = 637,863.40/x
  3. Step 3: Cross multiply
    729,101.80x = 1,095,726.30 × 637,863.40
  4. Step 4: Simplify right side
    729,101.80x = 698,923,703,187.42
  5. Step 5: Solve for x
    x = 698,923,703,187.42/729,101.80
  6. Step 6: Final answer
    x = 958,609.21

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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.