Home / 865,817.81-1,194,830.19-483,844.59

Finding the Fourth Proportional to 865,817.81, 1,194,830.19 and 483,844.59

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Solution

The fourth proportional to 865,817.81, 1,194,830.19 and 483,844.59 is: 667,706.43

Step by Step Solution

  1. Step 1: Write the proportion equation
    865,817.81 : 1,194,830.19 = 483,844.59 : x
  2. Step 2: Convert to fraction form
    865,817.81/1,194,830.19 = 483,844.59/x
  3. Step 3: Cross multiply
    865,817.81x = 1,194,830.19 × 483,844.59
  4. Step 4: Simplify right side
    865,817.81x = 578,112,117,426.02
  5. Step 5: Solve for x
    x = 578,112,117,426.02/865,817.81
  6. Step 6: Final answer
    x = 667,706.43

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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.