Home / 910,680.30-1,365,771.08-342,017.41

Finding the Fourth Proportional to 910,680.30, 1,365,771.08 and 342,017.41

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Solution

The fourth proportional to 910,680.30, 1,365,771.08 and 342,017.41 is: 512,932.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    910,680.30 : 1,365,771.08 = 342,017.41 : x
  2. Step 2: Convert to fraction form
    910,680.30/1,365,771.08 = 342,017.41/x
  3. Step 3: Cross multiply
    910,680.30x = 1,365,771.08 × 342,017.41
  4. Step 4: Simplify right side
    910,680.30x = 467,117,489,593.80
  5. Step 5: Solve for x
    x = 467,117,489,593.80/910,680.30
  6. Step 6: Final answer
    x = 512,932.46

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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.