Home / 733,857.71-1,012,732.13-407,176.86

Finding the Fourth Proportional to 733,857.71, 1,012,732.13 and 407,176.86

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Solution

The fourth proportional to 733,857.71, 1,012,732.13 and 407,176.86 is: 561,908.78

Step by Step Solution

  1. Step 1: Write the proportion equation
    733,857.71 : 1,012,732.13 = 407,176.86 : x
  2. Step 2: Convert to fraction form
    733,857.71/1,012,732.13 = 407,176.86/x
  3. Step 3: Cross multiply
    733,857.71x = 1,012,732.13 × 407,176.86
  4. Step 4: Simplify right side
    733,857.71x = 412,361,088,714.51
  5. Step 5: Solve for x
    x = 412,361,088,714.51/733,857.71
  6. Step 6: Final answer
    x = 561,908.78

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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.