Home / 417,720.32-626,577.60-102,181.76

Finding the Fourth Proportional to 417,720.32, 626,577.60 and 102,181.76

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Solution

The fourth proportional to 417,720.32, 626,577.60 and 102,181.76 is: 153,271.94

Step by Step Solution

  1. Step 1: Write the proportion equation
    417,720.32 : 626,577.60 = 102,181.76 : x
  2. Step 2: Convert to fraction form
    417,720.32/626,577.60 = 102,181.76/x
  3. Step 3: Cross multiply
    417,720.32x = 626,577.60 × 102,181.76
  4. Step 4: Simplify right side
    417,720.32x = 64,024,801,944.58
  5. Step 5: Solve for x
    x = 64,024,801,944.58/417,720.32
  6. Step 6: Final answer
    x = 153,271.94

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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.