Home / 1,645,568.40-2,467,891.80-523,981.20

Finding the Fourth Proportional to 1,645,568.40, 2,467,891.80 and 523,981.20

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Solution

The fourth proportional to 1,645,568.40, 2,467,891.80 and 523,981.20 is: 785,825.07

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,645,568.40 : 2,467,891.80 = 523,981.20 : x
  2. Step 2: Convert to fraction form
    1,645,568.40/2,467,891.80 = 523,981.20/x
  3. Step 3: Cross multiply
    1,645,568.40x = 2,467,891.80 × 523,981.20
  4. Step 4: Simplify right side
    1,645,568.40x = 1,293,128,906,834.16
  5. Step 5: Solve for x
    x = 1,293,128,906,834.16/1,645,568.40
  6. Step 6: Final answer
    x = 785,825.07

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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.