Home / 401,529.12-602,382.78-121,026.12

Finding the Fourth Proportional to 401,529.12, 602,382.78 and 121,026.12

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Solution

The fourth proportional to 401,529.12, 602,382.78 and 121,026.12 is: 181,566.04

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,529.12 : 602,382.78 = 121,026.12 : x
  2. Step 2: Convert to fraction form
    401,529.12/602,382.78 = 121,026.12/x
  3. Step 3: Cross multiply
    401,529.12x = 602,382.78 × 121,026.12
  4. Step 4: Simplify right side
    401,529.12x = 72,904,050,618.21
  5. Step 5: Solve for x
    x = 72,904,050,618.21/401,529.12
  6. Step 6: Final answer
    x = 181,566.04

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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.