Home / 895,830.97-1,236,204.14-487,930.86

Finding the Fourth Proportional to 895,830.97, 1,236,204.14 and 487,930.86

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Solution

The fourth proportional to 895,830.97, 1,236,204.14 and 487,930.86 is: 673,321.39

Step by Step Solution

  1. Step 1: Write the proportion equation
    895,830.97 : 1,236,204.14 = 487,930.86 : x
  2. Step 2: Convert to fraction form
    895,830.97/1,236,204.14 = 487,930.86/x
  3. Step 3: Cross multiply
    895,830.97x = 1,236,204.14 × 487,930.86
  4. Step 4: Simplify right side
    895,830.97x = 603,182,153,633.72
  5. Step 5: Solve for x
    x = 603,182,153,633.72/895,830.97
  6. Step 6: Final answer
    x = 673,321.39

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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.