Home / 599,926.14-828,106.56-345,378.78

Finding the Fourth Proportional to 599,926.14, 828,106.56 and 345,378.78

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Solution

The fourth proportional to 599,926.14, 828,106.56 and 345,378.78 is: 476,742.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    599,926.14 : 828,106.56 = 345,378.78 : x
  2. Step 2: Convert to fraction form
    599,926.14/828,106.56 = 345,378.78/x
  3. Step 3: Cross multiply
    599,926.14x = 828,106.56 × 345,378.78
  4. Step 4: Simplify right side
    599,926.14x = 286,010,433,402.80
  5. Step 5: Solve for x
    x = 286,010,433,402.80/599,926.14
  6. Step 6: Final answer
    x = 476,742.74

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.