Home / 1,639,673.40-2,459,855.70-692,556.60

Finding the Fourth Proportional to 1,639,673.40, 2,459,855.70 and 692,556.60

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Solution

The fourth proportional to 1,639,673.40, 2,459,855.70 and 692,556.60 is: 1,038,980.87

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,639,673.40 : 2,459,855.70 = 692,556.60 : x
  2. Step 2: Convert to fraction form
    1,639,673.40/2,459,855.70 = 692,556.60/x
  3. Step 3: Cross multiply
    1,639,673.40x = 2,459,855.70 × 692,556.60
  4. Step 4: Simplify right side
    1,639,673.40x = 1,703,589,300,082.62
  5. Step 5: Solve for x
    x = 1,703,589,300,082.62/1,639,673.40
  6. Step 6: Final answer
    x = 1,038,980.87

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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.