Home / 1,277,338.59-1,913,838.97-770,835.29

Finding the Fourth Proportional to 1,277,338.59, 1,913,838.97 and 770,835.29

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Solution

The fourth proportional to 1,277,338.59, 1,913,838.97 and 770,835.29 is: 1,154,944.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,338.59 : 1,913,838.97 = 770,835.29 : x
  2. Step 2: Convert to fraction form
    1,277,338.59/1,913,838.97 = 770,835.29/x
  3. Step 3: Cross multiply
    1,277,338.59x = 1,913,838.97 × 770,835.29
  4. Step 4: Simplify right side
    1,277,338.59x = 1,475,254,616,167.72
  5. Step 5: Solve for x
    x = 1,475,254,616,167.72/1,277,338.59
  6. Step 6: Final answer
    x = 1,154,944.06

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.