Home / 574,218.59-861,457.64-189,966.54

Finding the Fourth Proportional to 574,218.59, 861,457.64 and 189,966.54

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Solution

The fourth proportional to 574,218.59, 861,457.64 and 189,966.54 is: 284,992.74

Step by Step Solution

  1. Step 1: Write the proportion equation
    574,218.59 : 861,457.64 = 189,966.54 : x
  2. Step 2: Convert to fraction form
    574,218.59/861,457.64 = 189,966.54/x
  3. Step 3: Cross multiply
    574,218.59x = 861,457.64 × 189,966.54
  4. Step 4: Simplify right side
    574,218.59x = 163,648,125,730.86
  5. Step 5: Solve for x
    x = 163,648,125,730.86/574,218.59
  6. Step 6: Final answer
    x = 284,992.74

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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.