Home / 936,129.80-1,404,000.30-403,668.20

Finding the Fourth Proportional to 936,129.80, 1,404,000.30 and 403,668.20

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Solution

The fourth proportional to 936,129.80, 1,404,000.30 and 403,668.20 is: 605,418.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,129.80 : 1,404,000.30 = 403,668.20 : x
  2. Step 2: Convert to fraction form
    936,129.80/1,404,000.30 = 403,668.20/x
  3. Step 3: Cross multiply
    936,129.80x = 1,404,000.30 × 403,668.20
  4. Step 4: Simplify right side
    936,129.80x = 566,750,273,900.46
  5. Step 5: Solve for x
    x = 566,750,273,900.46/936,129.80
  6. Step 6: Final answer
    x = 605,418.47

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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.