Home / 676,079.19-933,621.39-434,780.73

Finding the Fourth Proportional to 676,079.19, 933,621.39 and 434,780.73

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Solution

The fourth proportional to 676,079.19, 933,621.39 and 434,780.73 is: 600,403.91

Step by Step Solution

  1. Step 1: Write the proportion equation
    676,079.19 : 933,621.39 = 434,780.73 : x
  2. Step 2: Convert to fraction form
    676,079.19/933,621.39 = 434,780.73/x
  3. Step 3: Cross multiply
    676,079.19x = 933,621.39 × 434,780.73
  4. Step 4: Simplify right side
    676,079.19x = 405,920,589,487.82
  5. Step 5: Solve for x
    x = 405,920,589,487.82/676,079.19
  6. Step 6: Final answer
    x = 600,403.91

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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.