Home / 705,895.92-1,059,051.69-256,609.71

Finding the Fourth Proportional to 705,895.92, 1,059,051.69 and 256,609.71

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Solution

The fourth proportional to 705,895.92, 1,059,051.69 and 256,609.71 is: 384,990.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    705,895.92 : 1,059,051.69 = 256,609.71 : x
  2. Step 2: Convert to fraction form
    705,895.92/1,059,051.69 = 256,609.71/x
  3. Step 3: Cross multiply
    705,895.92x = 1,059,051.69 × 256,609.71
  4. Step 4: Simplify right side
    705,895.92x = 271,762,947,045.91
  5. Step 5: Solve for x
    x = 271,762,947,045.91/705,895.92
  6. Step 6: Final answer
    x = 384,990.11

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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.