Home / 914,511.42-1,262,025.54-506,639.75

Finding the Fourth Proportional to 914,511.42, 1,262,025.54 and 506,639.75

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Solution

The fourth proportional to 914,511.42, 1,262,025.54 and 506,639.75 is: 699,162.73

Step by Step Solution

  1. Step 1: Write the proportion equation
    914,511.42 : 1,262,025.54 = 506,639.75 : x
  2. Step 2: Convert to fraction form
    914,511.42/1,262,025.54 = 506,639.75/x
  3. Step 3: Cross multiply
    914,511.42x = 1,262,025.54 × 506,639.75
  4. Step 4: Simplify right side
    914,511.42x = 639,392,297,769.09
  5. Step 5: Solve for x
    x = 639,392,297,769.09/914,511.42
  6. Step 6: Final answer
    x = 699,162.73

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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.