Home / 1,176,487.09-1,764,811.70-492,685.45

Finding the Fourth Proportional to 1,176,487.09, 1,764,811.70 and 492,685.45

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Solution

The fourth proportional to 1,176,487.09, 1,764,811.70 and 492,685.45 is: 739,062.12

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,176,487.09 : 1,764,811.70 = 492,685.45 : x
  2. Step 2: Convert to fraction form
    1,176,487.09/1,764,811.70 = 492,685.45/x
  3. Step 3: Cross multiply
    1,176,487.09x = 1,764,811.70 × 492,685.45
  4. Step 4: Simplify right side
    1,176,487.09x = 869,497,035,292.28
  5. Step 5: Solve for x
    x = 869,497,035,292.28/1,176,487.09
  6. Step 6: Final answer
    x = 739,062.12

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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.