Home / 1,186,922.08-1,780,378.80-654,162.40

Finding the Fourth Proportional to 1,186,922.08, 1,780,378.80 and 654,162.40

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Solution

The fourth proportional to 1,186,922.08, 1,780,378.80 and 654,162.40 is: 981,241.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,186,922.08 : 1,780,378.80 = 654,162.40 : x
  2. Step 2: Convert to fraction form
    1,186,922.08/1,780,378.80 = 654,162.40/x
  3. Step 3: Cross multiply
    1,186,922.08x = 1,780,378.80 × 654,162.40
  4. Step 4: Simplify right side
    1,186,922.08x = 1,164,656,868,717.12
  5. Step 5: Solve for x
    x = 1,164,656,868,717.12/1,186,922.08
  6. Step 6: Final answer
    x = 981,241.22

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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.