Home / 1,404,043.20-2,106,064.80-1,105,444.80

Finding the Fourth Proportional to 1,404,043.20, 2,106,064.80 and 1,105,444.80

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Solution

The fourth proportional to 1,404,043.20, 2,106,064.80 and 1,105,444.80 is: 1,658,167.20

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,404,043.20 : 2,106,064.80 = 1,105,444.80 : x
  2. Step 2: Convert to fraction form
    1,404,043.20/2,106,064.80 = 1,105,444.80/x
  3. Step 3: Cross multiply
    1,404,043.20x = 2,106,064.80 × 1,105,444.80
  4. Step 4: Simplify right side
    1,404,043.20x = 2,328,138,381,623.04
  5. Step 5: Solve for x
    x = 2,328,138,381,623.04/1,404,043.20
  6. Step 6: Final answer
    x = 1,658,167.20

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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.