Home / 529,815.20-731,305.06-360,147.74

Finding the Fourth Proportional to 529,815.20, 731,305.06 and 360,147.74

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Solution

The fourth proportional to 529,815.20, 731,305.06 and 360,147.74 is: 497,112.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    529,815.20 : 731,305.06 = 360,147.74 : x
  2. Step 2: Convert to fraction form
    529,815.20/731,305.06 = 360,147.74/x
  3. Step 3: Cross multiply
    529,815.20x = 731,305.06 × 360,147.74
  4. Step 4: Simplify right side
    529,815.20x = 263,377,860,052.67
  5. Step 5: Solve for x
    x = 263,377,860,052.67/529,815.20
  6. Step 6: Final answer
    x = 497,112.70

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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.