Home / 893,834.32-1,233,515.70-485,963.62

Finding the Fourth Proportional to 893,834.32, 1,233,515.70 and 485,963.62

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Solution

The fourth proportional to 893,834.32, 1,233,515.70 and 485,963.62 is: 670,643.03

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,834.32 : 1,233,515.70 = 485,963.62 : x
  2. Step 2: Convert to fraction form
    893,834.32/1,233,515.70 = 485,963.62/x
  3. Step 3: Cross multiply
    893,834.32x = 1,233,515.70 × 485,963.62
  4. Step 4: Simplify right side
    893,834.32x = 599,443,754,898.83
  5. Step 5: Solve for x
    x = 599,443,754,898.83/893,834.32
  6. Step 6: Final answer
    x = 670,643.03

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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.