Home / 1,192,005.80-1,788,008.70-1,183,711.40

Finding the Fourth Proportional to 1,192,005.80, 1,788,008.70 and 1,183,711.40

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Solution

The fourth proportional to 1,192,005.80, 1,788,008.70 and 1,183,711.40 is: 1,775,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,192,005.80 : 1,788,008.70 = 1,183,711.40 : x
  2. Step 2: Convert to fraction form
    1,192,005.80/1,788,008.70 = 1,183,711.40/x
  3. Step 3: Cross multiply
    1,192,005.80x = 1,788,008.70 × 1,183,711.40
  4. Step 4: Simplify right side
    1,192,005.80x = 2,116,486,281,489.18
  5. Step 5: Solve for x
    x = 2,116,486,281,489.18/1,192,005.80
  6. Step 6: Final answer
    x = 1,775,567.10

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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.