Home / 1,156,617.90-1,735,044.48-398,360.70

Finding the Fourth Proportional to 1,156,617.90, 1,735,044.48 and 398,360.70

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Solution

The fourth proportional to 1,156,617.90, 1,735,044.48 and 398,360.70 is: 597,581.56

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,156,617.90 : 1,735,044.48 = 398,360.70 : x
  2. Step 2: Convert to fraction form
    1,156,617.90/1,735,044.48 = 398,360.70/x
  3. Step 3: Cross multiply
    1,156,617.90x = 1,735,044.48 × 398,360.70
  4. Step 4: Simplify right side
    1,156,617.90x = 691,173,533,583.94
  5. Step 5: Solve for x
    x = 691,173,533,583.94/1,156,617.90
  6. Step 6: Final answer
    x = 597,581.56

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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.