Home / 1,206,702.72-1,665,152.64-697,438.08

Finding the Fourth Proportional to 1,206,702.72, 1,665,152.64 and 697,438.08

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Solution

The fourth proportional to 1,206,702.72, 1,665,152.64 and 697,438.08 is: 962,408.42

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,206,702.72 : 1,665,152.64 = 697,438.08 : x
  2. Step 2: Convert to fraction form
    1,206,702.72/1,665,152.64 = 697,438.08/x
  3. Step 3: Cross multiply
    1,206,702.72x = 1,665,152.64 × 697,438.08
  4. Step 4: Simplify right side
    1,206,702.72x = 1,161,340,860,148.53
  5. Step 5: Solve for x
    x = 1,161,340,860,148.53/1,206,702.72
  6. Step 6: Final answer
    x = 962,408.42

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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.