Home / 839,611.13-1,158,664.16-457,639.43

Finding the Fourth Proportional to 839,611.13, 1,158,664.16 and 457,639.43

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Solution

The fourth proportional to 839,611.13, 1,158,664.16 and 457,639.43 is: 631,542.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,611.13 : 1,158,664.16 = 457,639.43 : x
  2. Step 2: Convert to fraction form
    839,611.13/1,158,664.16 = 457,639.43/x
  3. Step 3: Cross multiply
    839,611.13x = 1,158,664.16 × 457,639.43
  4. Step 4: Simplify right side
    839,611.13x = 530,250,401,094.61
  5. Step 5: Solve for x
    x = 530,250,401,094.61/839,611.13
  6. Step 6: Final answer
    x = 631,542.85

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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.