Home / 936,954.30-1,405,103.40-487,525.80

Finding the Fourth Proportional to 936,954.30, 1,405,103.40 and 487,525.80

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Solution

The fourth proportional to 936,954.30, 1,405,103.40 and 487,525.80 is: 731,118.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    936,954.30 : 1,405,103.40 = 487,525.80 : x
  2. Step 2: Convert to fraction form
    936,954.30/1,405,103.40 = 487,525.80/x
  3. Step 3: Cross multiply
    936,954.30x = 1,405,103.40 × 487,525.80
  4. Step 4: Simplify right side
    936,954.30x = 685,024,159,167.72
  5. Step 5: Solve for x
    x = 685,024,159,167.72/936,954.30
  6. Step 6: Final answer
    x = 731,118.01

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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.