Home / 916,553.76-1,374,502.59-317,354.04

Finding the Fourth Proportional to 916,553.76, 1,374,502.59 and 317,354.04

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Solution

The fourth proportional to 916,553.76, 1,374,502.59 and 317,354.04 is: 475,917.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    916,553.76 : 1,374,502.59 = 317,354.04 : x
  2. Step 2: Convert to fraction form
    916,553.76/1,374,502.59 = 317,354.04/x
  3. Step 3: Cross multiply
    916,553.76x = 1,374,502.59 × 317,354.04
  4. Step 4: Simplify right side
    916,553.76x = 436,203,949,926.96
  5. Step 5: Solve for x
    x = 436,203,949,926.96/916,553.76
  6. Step 6: Final answer
    x = 475,917.47

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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.