Home / 1,638,299.40-2,457,449.10-929,711.40

Finding the Fourth Proportional to 1,638,299.40, 2,457,449.10 and 929,711.40

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Solution

The fourth proportional to 1,638,299.40, 2,457,449.10 and 929,711.40 is: 1,394,567.10

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,299.40 : 2,457,449.10 = 929,711.40 : x
  2. Step 2: Convert to fraction form
    1,638,299.40/2,457,449.10 = 929,711.40/x
  3. Step 3: Cross multiply
    1,638,299.40x = 2,457,449.10 × 929,711.40
  4. Step 4: Simplify right side
    1,638,299.40x = 2,284,718,443,189.74
  5. Step 5: Solve for x
    x = 2,284,718,443,189.74/1,638,299.40
  6. Step 6: Final answer
    x = 1,394,567.10

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Similar ratio
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1.5x scale

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.