Home / 839,346.84-1,259,392.32-439,892.64

Finding the Fourth Proportional to 839,346.84, 1,259,392.32 and 439,892.64

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Solution

The fourth proportional to 839,346.84, 1,259,392.32 and 439,892.64 is: 660,033.95

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,346.84 : 1,259,392.32 = 439,892.64 : x
  2. Step 2: Convert to fraction form
    839,346.84/1,259,392.32 = 439,892.64/x
  3. Step 3: Cross multiply
    839,346.84x = 1,259,392.32 × 439,892.64
  4. Step 4: Simplify right side
    839,346.84x = 553,997,412,440.53
  5. Step 5: Solve for x
    x = 553,997,412,440.53/839,346.84
  6. Step 6: Final answer
    x = 660,033.95

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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.