Home / 1,277,135.47-1,913,535.38-770,632.16

Finding the Fourth Proportional to 1,277,135.47, 1,913,535.38 and 770,632.16

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Solution

The fourth proportional to 1,277,135.47, 1,913,535.38 and 770,632.16 is: 1,154,640.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,135.47 : 1,913,535.38 = 770,632.16 : x
  2. Step 2: Convert to fraction form
    1,277,135.47/1,913,535.38 = 770,632.16/x
  3. Step 3: Cross multiply
    1,277,135.47x = 1,913,535.38 × 770,632.16
  4. Step 4: Simplify right side
    1,277,135.47x = 1,474,631,915,675.69
  5. Step 5: Solve for x
    x = 1,474,631,915,675.69/1,277,135.47
  6. Step 6: Final answer
    x = 1,154,640.17

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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.