Home / 1,393,005.36-1,921,532.95-875,940.92

Finding the Fourth Proportional to 1,393,005.36, 1,921,532.95 and 875,940.92

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Solution

The fourth proportional to 1,393,005.36, 1,921,532.95 and 875,940.92 is: 1,208,286.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,005.36 : 1,921,532.95 = 875,940.92 : x
  2. Step 2: Convert to fraction form
    1,393,005.36/1,921,532.95 = 875,940.92/x
  3. Step 3: Cross multiply
    1,393,005.36x = 1,921,532.95 × 875,940.92
  4. Step 4: Simplify right side
    1,393,005.36x = 1,683,149,326,045.94
  5. Step 5: Solve for x
    x = 1,683,149,326,045.94/1,393,005.36
  6. Step 6: Final answer
    x = 1,208,286.32

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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.