Home / 705,289.85-1,057,934.79-172,806.28

Finding the Fourth Proportional to 705,289.85, 1,057,934.79 and 172,806.28

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Solution

The fourth proportional to 705,289.85, 1,057,934.79 and 172,806.28 is: 259,209.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,289.85 : 1,057,934.79 = 172,806.28 : x
  2. Step 2: Convert to fraction form
    705,289.85/1,057,934.79 = 172,806.28/x
  3. Step 3: Cross multiply
    705,289.85x = 1,057,934.79 × 172,806.28
  4. Step 4: Simplify right side
    705,289.85x = 182,817,772,897.64
  5. Step 5: Solve for x
    x = 182,817,772,897.64/705,289.85
  6. Step 6: Final answer
    x = 259,209.42

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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.