Home / 1,277,989.20-1,763,631.06-705,029.22

Finding the Fourth Proportional to 1,277,989.20, 1,763,631.06 and 705,029.22

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Solution

The fourth proportional to 1,277,989.20, 1,763,631.06 and 705,029.22 is: 972,943.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,277,989.20 : 1,763,631.06 = 705,029.22 : x
  2. Step 2: Convert to fraction form
    1,277,989.20/1,763,631.06 = 705,029.22/x
  3. Step 3: Cross multiply
    1,277,989.20x = 1,763,631.06 × 705,029.22
  4. Step 4: Simplify right side
    1,277,989.20x = 1,243,411,430,599.57
  5. Step 5: Solve for x
    x = 1,243,411,430,599.57/1,277,989.20
  6. Step 6: Final answer
    x = 972,943.61

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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.