Home / 677,446.86-1,016,170.73-172,045.74

Finding the Fourth Proportional to 677,446.86, 1,016,170.73 and 172,045.74

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Solution

The fourth proportional to 677,446.86, 1,016,170.73 and 172,045.74 is: 258,068.72

Step by Step Solution

  1. Step 1: Write the proportion equation
    677,446.86 : 1,016,170.73 = 172,045.74 : x
  2. Step 2: Convert to fraction form
    677,446.86/1,016,170.73 = 172,045.74/x
  3. Step 3: Cross multiply
    677,446.86x = 1,016,170.73 × 172,045.74
  4. Step 4: Simplify right side
    677,446.86x = 174,827,844,348.96
  5. Step 5: Solve for x
    x = 174,827,844,348.96/677,446.86
  6. Step 6: Final answer
    x = 258,068.72

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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.