Home / 1,314,970.80-1,972,456.20-1,102,394.40

Finding the Fourth Proportional to 1,314,970.80, 1,972,456.20 and 1,102,394.40

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Solution

The fourth proportional to 1,314,970.80, 1,972,456.20 and 1,102,394.40 is: 1,653,591.60

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,314,970.80 : 1,972,456.20 = 1,102,394.40 : x
  2. Step 2: Convert to fraction form
    1,314,970.80/1,972,456.20 = 1,102,394.40/x
  3. Step 3: Cross multiply
    1,314,970.80x = 1,972,456.20 × 1,102,394.40
  4. Step 4: Simplify right side
    1,314,970.80x = 2,174,424,669,125.28
  5. Step 5: Solve for x
    x = 2,174,424,669,125.28/1,314,970.80
  6. Step 6: Final answer
    x = 1,653,591.60

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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.