Home / 467,714.09-645,464.28-261,000.56

Finding the Fourth Proportional to 467,714.09, 645,464.28 and 261,000.56

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Solution

The fourth proportional to 467,714.09, 645,464.28 and 261,000.56 is: 360,191.28

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,714.09 : 645,464.28 = 261,000.56 : x
  2. Step 2: Convert to fraction form
    467,714.09/645,464.28 = 261,000.56/x
  3. Step 3: Cross multiply
    467,714.09x = 645,464.28 × 261,000.56
  4. Step 4: Simplify right side
    467,714.09x = 168,466,535,312.68
  5. Step 5: Solve for x
    x = 168,466,535,312.68/467,714.09
  6. Step 6: Final answer
    x = 360,191.28

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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.