Home / 1,281,632.40-1,922,448.60-335,098.80

Finding the Fourth Proportional to 1,281,632.40, 1,922,448.60 and 335,098.80

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Solution

The fourth proportional to 1,281,632.40, 1,922,448.60 and 335,098.80 is: 502,648.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,281,632.40 : 1,922,448.60 = 335,098.80 : x
  2. Step 2: Convert to fraction form
    1,281,632.40/1,922,448.60 = 335,098.80/x
  3. Step 3: Cross multiply
    1,281,632.40x = 1,922,448.60 × 335,098.80
  4. Step 4: Simplify right side
    1,281,632.40x = 644,210,218,921.68
  5. Step 5: Solve for x
    x = 644,210,218,921.68/1,281,632.40
  6. Step 6: Final answer
    x = 502,648.20

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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.