Home / 440,073.69-606,705.35-376,228.73

Finding the Fourth Proportional to 440,073.69, 606,705.35 and 376,228.73

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Solution

The fourth proportional to 440,073.69, 606,705.35 and 376,228.73 is: 518,685.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    440,073.69 : 606,705.35 = 376,228.73 : x
  2. Step 2: Convert to fraction form
    440,073.69/606,705.35 = 376,228.73/x
  3. Step 3: Cross multiply
    440,073.69x = 606,705.35 × 376,228.73
  4. Step 4: Simplify right side
    440,073.69x = 228,259,983,314.71
  5. Step 5: Solve for x
    x = 228,259,983,314.71/440,073.69
  6. Step 6: Final answer
    x = 518,685.82

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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.