Home / 629,011.68-868,027.48-357,077.20

Finding the Fourth Proportional to 629,011.68, 868,027.48 and 357,077.20

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Solution

The fourth proportional to 629,011.68, 868,027.48 and 357,077.20 is: 492,761.63

Step by Step Solution

  1. Step 1: Write the proportion equation
    629,011.68 : 868,027.48 = 357,077.20 : x
  2. Step 2: Convert to fraction form
    629,011.68/868,027.48 = 357,077.20/x
  3. Step 3: Cross multiply
    629,011.68x = 868,027.48 × 357,077.20
  4. Step 4: Simplify right side
    629,011.68x = 309,952,822,081.46
  5. Step 5: Solve for x
    x = 309,952,822,081.46/629,011.68
  6. Step 6: Final answer
    x = 492,761.63

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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.