Home / 1,393,007.39-1,921,535.74-875,942.94

Finding the Fourth Proportional to 1,393,007.39, 1,921,535.74 and 875,942.94

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Solution

The fourth proportional to 1,393,007.39, 1,921,535.74 and 875,942.94 is: 1,208,289.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,393,007.39 : 1,921,535.74 = 875,942.94 : x
  2. Step 2: Convert to fraction form
    1,393,007.39/1,921,535.74 = 875,942.94/x
  3. Step 3: Cross multiply
    1,393,007.39x = 1,921,535.74 × 875,942.94
  4. Step 4: Simplify right side
    1,393,007.39x = 1,683,155,673,711.36
  5. Step 5: Solve for x
    x = 1,683,155,673,711.36/1,393,007.39
  6. Step 6: Final answer
    x = 1,208,289.12

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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.