Home / 1,116,302.80-1,674,454.20-1,108,429.60

Finding the Fourth Proportional to 1,116,302.80, 1,674,454.20 and 1,108,429.60

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Solution

The fourth proportional to 1,116,302.80, 1,674,454.20 and 1,108,429.60 is: 1,662,644.40

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,116,302.80 : 1,674,454.20 = 1,108,429.60 : x
  2. Step 2: Convert to fraction form
    1,116,302.80/1,674,454.20 = 1,108,429.60/x
  3. Step 3: Cross multiply
    1,116,302.80x = 1,674,454.20 × 1,108,429.60
  4. Step 4: Simplify right side
    1,116,302.80x = 1,856,014,599,124.32
  5. Step 5: Solve for x
    x = 1,856,014,599,124.32/1,116,302.80
  6. Step 6: Final answer
    x = 1,662,644.40

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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.