Home / 1,071,802.68-1,608,019.84-431,777.06

Finding the Fourth Proportional to 1,071,802.68, 1,608,019.84 and 431,777.06

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Solution

The fourth proportional to 1,071,802.68, 1,608,019.84 and 431,777.06 is: 647,792.82

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,071,802.68 : 1,608,019.84 = 431,777.06 : x
  2. Step 2: Convert to fraction form
    1,071,802.68/1,608,019.84 = 431,777.06/x
  3. Step 3: Cross multiply
    1,071,802.68x = 1,608,019.84 × 431,777.06
  4. Step 4: Simplify right side
    1,071,802.68x = 694,306,078,936.87
  5. Step 5: Solve for x
    x = 694,306,078,936.87/1,071,802.68
  6. Step 6: Final answer
    x = 647,792.82

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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.