Home / 1,155,825.80-1,731,405.90-656,606.60

Finding the Fourth Proportional to 1,155,825.80, 1,731,405.90 and 656,606.60

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Solution

The fourth proportional to 1,155,825.80, 1,731,405.90 and 656,606.60 is: 983,584.67

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,155,825.80 : 1,731,405.90 = 656,606.60 : x
  2. Step 2: Convert to fraction form
    1,155,825.80/1,731,405.90 = 656,606.60/x
  3. Step 3: Cross multiply
    1,155,825.80x = 1,731,405.90 × 656,606.60
  4. Step 4: Simplify right side
    1,155,825.80x = 1,136,852,541,218.94
  5. Step 5: Solve for x
    x = 1,136,852,541,218.94/1,155,825.80
  6. Step 6: Final answer
    x = 983,584.67

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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.