Home / 1,278,211.94-1,763,931.15-705,252.06

Finding the Fourth Proportional to 1,278,211.94, 1,763,931.15 and 705,252.06

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Solution

The fourth proportional to 1,278,211.94, 1,763,931.15 and 705,252.06 is: 973,247.11

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,278,211.94 : 1,763,931.15 = 705,252.06 : x
  2. Step 2: Convert to fraction form
    1,278,211.94/1,763,931.15 = 705,252.06/x
  3. Step 3: Cross multiply
    1,278,211.94x = 1,763,931.15 × 705,252.06
  4. Step 4: Simplify right side
    1,278,211.94x = 1,244,016,077,235.67
  5. Step 5: Solve for x
    x = 1,244,016,077,235.67/1,278,211.94
  6. Step 6: Final answer
    x = 973,247.11

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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.