Home / 828,005.20-1,241,570.40-354,155.20

Finding the Fourth Proportional to 828,005.20, 1,241,570.40 and 354,155.20

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Solution

The fourth proportional to 828,005.20, 1,241,570.40 and 354,155.20 is: 531,045.71

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,005.20 : 1,241,570.40 = 354,155.20 : x
  2. Step 2: Convert to fraction form
    828,005.20/1,241,570.40 = 354,155.20/x
  3. Step 3: Cross multiply
    828,005.20x = 1,241,570.40 × 354,155.20
  4. Step 4: Simplify right side
    828,005.20x = 439,708,613,326.08
  5. Step 5: Solve for x
    x = 439,708,613,326.08/828,005.20
  6. Step 6: Final answer
    x = 531,045.71

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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.