Home / 1,371,581.28-1,892,762.18-759,732.05

Finding the Fourth Proportional to 1,371,581.28, 1,892,762.18 and 759,732.05

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Solution

The fourth proportional to 1,371,581.28, 1,892,762.18 and 759,732.05 is: 1,048,419.15

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,371,581.28 : 1,892,762.18 = 759,732.05 : x
  2. Step 2: Convert to fraction form
    1,371,581.28/1,892,762.18 = 759,732.05/x
  3. Step 3: Cross multiply
    1,371,581.28x = 1,892,762.18 × 759,732.05
  4. Step 4: Simplify right side
    1,371,581.28x = 1,437,992,077,911.40
  5. Step 5: Solve for x
    x = 1,437,992,077,911.40/1,371,581.28
  6. Step 6: Final answer
    x = 1,048,419.15

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Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.