Home / 893,834.59-1,233,516.05-485,963.86

Finding the Fourth Proportional to 893,834.59, 1,233,516.05 and 485,963.86

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Solution

The fourth proportional to 893,834.59, 1,233,516.05 and 485,963.86 is: 670,643.35

Step by Step Solution

  1. Step 1: Write the proportion equation
    893,834.59 : 1,233,516.05 = 485,963.86 : x
  2. Step 2: Convert to fraction form
    893,834.59/1,233,516.05 = 485,963.86/x
  3. Step 3: Cross multiply
    893,834.59x = 1,233,516.05 × 485,963.86
  4. Step 4: Simplify right side
    893,834.59x = 599,444,221,029.95
  5. Step 5: Solve for x
    x = 599,444,221,029.95/893,834.59
  6. Step 6: Final answer
    x = 670,643.35

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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.