Home / 928,528.02-1,392,792.48-612,911.16

Finding the Fourth Proportional to 928,528.02, 1,392,792.48 and 612,911.16

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Solution

The fourth proportional to 928,528.02, 1,392,792.48 and 612,911.16 is: 919,367.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    928,528.02 : 1,392,792.48 = 612,911.16 : x
  2. Step 2: Convert to fraction form
    928,528.02/1,392,792.48 = 612,911.16/x
  3. Step 3: Cross multiply
    928,528.02x = 1,392,792.48 × 612,911.16
  4. Step 4: Simplify right side
    928,528.02x = 853,658,054,556.08
  5. Step 5: Solve for x
    x = 853,658,054,556.08/928,528.02
  6. Step 6: Final answer
    x = 919,367.04

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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.