Home / 484,922.51-669,274.49-281,100.92

Finding the Fourth Proportional to 484,922.51, 669,274.49 and 281,100.92

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Solution

The fourth proportional to 484,922.51, 669,274.49 and 281,100.92 is: 387,966.47

Step by Step Solution

  1. Step 1: Write the proportion equation
    484,922.51 : 669,274.49 = 281,100.92 : x
  2. Step 2: Convert to fraction form
    484,922.51/669,274.49 = 281,100.92/x
  3. Step 3: Cross multiply
    484,922.51x = 669,274.49 × 281,100.92
  4. Step 4: Simplify right side
    484,922.51x = 188,133,674,871.53
  5. Step 5: Solve for x
    x = 188,133,674,871.53/484,922.51
  6. Step 6: Final answer
    x = 387,966.47

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1.5x scale

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.