Home / 467,949.09-645,775.95-263,999.32

Finding the Fourth Proportional to 467,949.09, 645,775.95 and 263,999.32

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Solution

The fourth proportional to 467,949.09, 645,775.95 and 263,999.32 is: 364,322.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    467,949.09 : 645,775.95 = 263,999.32 : x
  2. Step 2: Convert to fraction form
    467,949.09/645,775.95 = 263,999.32/x
  3. Step 3: Cross multiply
    467,949.09x = 645,775.95 × 263,999.32
  4. Step 4: Simplify right side
    467,949.09x = 170,484,411,672.35
  5. Step 5: Solve for x
    x = 170,484,411,672.35/467,949.09
  6. Step 6: Final answer
    x = 364,322.56

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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.