Home / 839,923.70-1,259,885.55-804,931.70

Finding the Fourth Proportional to 839,923.70, 1,259,885.55 and 804,931.70

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Solution

The fourth proportional to 839,923.70, 1,259,885.55 and 804,931.70 is: 1,207,397.55

Step by Step Solution

  1. Step 1: Write the proportion equation
    839,923.70 : 1,259,885.55 = 804,931.70 : x
  2. Step 2: Convert to fraction form
    839,923.70/1,259,885.55 = 804,931.70/x
  3. Step 3: Cross multiply
    839,923.70x = 1,259,885.55 × 804,931.70
  4. Step 4: Simplify right side
    839,923.70x = 1,014,121,817,566.94
  5. Step 5: Solve for x
    x = 1,014,121,817,566.94/839,923.70
  6. Step 6: Final answer
    x = 1,207,397.55

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Similar ratio
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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.