Home / 468,289.02-646,238.79-253,429.12

Finding the Fourth Proportional to 468,289.02, 646,238.79 and 253,429.12

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Solution

The fourth proportional to 468,289.02, 646,238.79 and 253,429.12 is: 349,732.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,289.02 : 646,238.79 = 253,429.12 : x
  2. Step 2: Convert to fraction form
    468,289.02/646,238.79 = 253,429.12/x
  3. Step 3: Cross multiply
    468,289.02x = 646,238.79 × 253,429.12
  4. Step 4: Simplify right side
    468,289.02x = 163,775,727,859.57
  5. Step 5: Solve for x
    x = 163,775,727,859.57/468,289.02
  6. Step 6: Final answer
    x = 349,732.15

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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.