Home / 1,277,943.42-1,763,552.07-705,007.74

Finding the Fourth Proportional to 1,277,943.42, 1,763,552.07 and 705,007.74

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Solution

The fourth proportional to 1,277,943.42, 1,763,552.07 and 705,007.74 is: 972,905.25

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,943.42 : 1,763,552.07 = 705,007.74 : x
  2. Step 2: Convert to fraction form
    1,277,943.42/1,763,552.07 = 705,007.74/x
  3. Step 3: Cross multiply
    1,277,943.42x = 1,763,552.07 × 705,007.74
  4. Step 4: Simplify right side
    1,277,943.42x = 1,243,317,859,243.02
  5. Step 5: Solve for x
    x = 1,243,317,859,243.02/1,277,943.42
  6. Step 6: Final answer
    x = 972,905.25

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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.