Home / 839,453.25-1,158,411.68-457,471.83

Finding the Fourth Proportional to 839,453.25, 1,158,411.68 and 457,471.83

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Solution

The fourth proportional to 839,453.25, 1,158,411.68 and 457,471.83 is: 631,292.70

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,453.25 : 1,158,411.68 = 457,471.83 : x
  2. Step 2: Convert to fraction form
    839,453.25/1,158,411.68 = 457,471.83/x
  3. Step 3: Cross multiply
    839,453.25x = 1,158,411.68 × 457,471.83
  4. Step 4: Simplify right side
    839,453.25x = 529,940,708,855.62
  5. Step 5: Solve for x
    x = 529,940,708,855.62/839,453.25
  6. Step 6: Final answer
    x = 631,292.70

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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.