Home / 772,340.20-1,159,287.90-373,301.80

Finding the Fourth Proportional to 772,340.20, 1,159,287.90 and 373,301.80

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Solution

The fourth proportional to 772,340.20, 1,159,287.90 and 373,301.80 is: 560,328.54

Step by Step Solution

  1. Step 1: Write the proportion equation
    772,340.20 : 1,159,287.90 = 373,301.80 : x
  2. Step 2: Convert to fraction form
    772,340.20/1,159,287.90 = 373,301.80/x
  3. Step 3: Cross multiply
    772,340.20x = 1,159,287.90 × 373,301.80
  4. Step 4: Simplify right side
    772,340.20x = 432,764,259,788.22
  5. Step 5: Solve for x
    x = 432,764,259,788.22/772,340.20
  6. Step 6: Final answer
    x = 560,328.54

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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.