Home / 851,392.22-1,174,929.21-469,432.58

Finding the Fourth Proportional to 851,392.22, 1,174,929.21 and 469,432.58

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Solution

The fourth proportional to 851,392.22, 1,174,929.21 and 469,432.58 is: 647,821.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    851,392.22 : 1,174,929.21 = 469,432.58 : x
  2. Step 2: Convert to fraction form
    851,392.22/1,174,929.21 = 469,432.58/x
  3. Step 3: Cross multiply
    851,392.22x = 1,174,929.21 × 469,432.58
  4. Step 4: Simplify right side
    851,392.22x = 551,550,044,493.02
  5. Step 5: Solve for x
    x = 551,550,044,493.02/851,392.22
  6. Step 6: Final answer
    x = 647,821.34

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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.