Home / 1,216,009.20-1,824,013.80-329,545.20

Finding the Fourth Proportional to 1,216,009.20, 1,824,013.80 and 329,545.20

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Solution

The fourth proportional to 1,216,009.20, 1,824,013.80 and 329,545.20 is: 494,317.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,216,009.20 : 1,824,013.80 = 329,545.20 : x
  2. Step 2: Convert to fraction form
    1,216,009.20/1,824,013.80 = 329,545.20/x
  3. Step 3: Cross multiply
    1,216,009.20x = 1,824,013.80 × 329,545.20
  4. Step 4: Simplify right side
    1,216,009.20x = 601,094,992,523.76
  5. Step 5: Solve for x
    x = 601,094,992,523.76/1,216,009.20
  6. Step 6: Final answer
    x = 494,317.80

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1.5x scale

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.