Home / 1,126,714.98-1,688,891.49-416,289.90

Finding the Fourth Proportional to 1,126,714.98, 1,688,891.49 and 416,289.90

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Solution

The fourth proportional to 1,126,714.98, 1,688,891.49 and 416,289.90 is: 623,998.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,126,714.98 : 1,688,891.49 = 416,289.90 : x
  2. Step 2: Convert to fraction form
    1,126,714.98/1,688,891.49 = 416,289.90/x
  3. Step 3: Cross multiply
    1,126,714.98x = 1,688,891.49 × 416,289.90
  4. Step 4: Simplify right side
    1,126,714.98x = 703,068,469,482.95
  5. Step 5: Solve for x
    x = 703,068,469,482.95/1,126,714.98
  6. Step 6: Final answer
    x = 623,998.51

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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.