Home / 998,188.20-1,497,800.70-437,279.40

Finding the Fourth Proportional to 998,188.20, 1,497,800.70 and 437,279.40

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Solution

The fourth proportional to 998,188.20, 1,497,800.70 and 437,279.40 is: 656,146.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    998,188.20 : 1,497,800.70 = 437,279.40 : x
  2. Step 2: Convert to fraction form
    998,188.20/1,497,800.70 = 437,279.40/x
  3. Step 3: Cross multiply
    998,188.20x = 1,497,800.70 × 437,279.40
  4. Step 4: Simplify right side
    998,188.20x = 654,957,391,415.58
  5. Step 5: Solve for x
    x = 654,957,391,415.58/998,188.20
  6. Step 6: Final answer
    x = 656,146.20

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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.