Home / 839,678.51-1,257,671.60-693,932.53

Finding the Fourth Proportional to 839,678.51, 1,257,671.60 and 693,932.53

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Solution

The fourth proportional to 839,678.51, 1,257,671.60 and 693,932.53 is: 1,039,373.08

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,678.51 : 1,257,671.60 = 693,932.53 : x
  2. Step 2: Convert to fraction form
    839,678.51/1,257,671.60 = 693,932.53/x
  3. Step 3: Cross multiply
    839,678.51x = 1,257,671.60 × 693,932.53
  4. Step 4: Simplify right side
    839,678.51x = 872,739,231,827.49
  5. Step 5: Solve for x
    x = 872,739,231,827.49/839,678.51
  6. Step 6: Final answer
    x = 1,039,373.08

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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.