Home / 839,789.17-1,158,903.15-457,818.68

Finding the Fourth Proportional to 839,789.17, 1,158,903.15 and 457,818.68

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Solution

The fourth proportional to 839,789.17, 1,158,903.15 and 457,818.68 is: 631,786.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,789.17 : 1,158,903.15 = 457,818.68 : x
  2. Step 2: Convert to fraction form
    839,789.17/1,158,903.15 = 457,818.68/x
  3. Step 3: Cross multiply
    839,789.17x = 1,158,903.15 × 457,818.68
  4. Step 4: Simplify right side
    839,789.17x = 530,567,511,561.28
  5. Step 5: Solve for x
    x = 530,567,511,561.28/839,789.17
  6. Step 6: Final answer
    x = 631,786.56

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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.