Home / 468,121.80-646,085.36-286,934.52

Finding the Fourth Proportional to 468,121.80, 646,085.36 and 286,934.52

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Solution

The fourth proportional to 468,121.80, 646,085.36 and 286,934.52 is: 396,017.00

Step by Step Solution

  1. Step 1: Write the proportion equation
    468,121.80 : 646,085.36 = 286,934.52 : x
  2. Step 2: Convert to fraction form
    468,121.80/646,085.36 = 286,934.52/x
  3. Step 3: Cross multiply
    468,121.80x = 646,085.36 × 286,934.52
  4. Step 4: Simplify right side
    468,121.80x = 185,384,192,650.63
  5. Step 5: Solve for x
    x = 185,384,192,650.63/468,121.80
  6. Step 6: Final answer
    x = 396,017.00

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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.