Home / 1,638,226.56-2,260,763.76-913,120.92

Finding the Fourth Proportional to 1,638,226.56, 2,260,763.76 and 913,120.92

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Solution

The fourth proportional to 1,638,226.56, 2,260,763.76 and 913,120.92 is: 1,260,113.06

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,226.56 : 2,260,763.76 = 913,120.92 : x
  2. Step 2: Convert to fraction form
    1,638,226.56/2,260,763.76 = 913,120.92/x
  3. Step 3: Cross multiply
    1,638,226.56x = 2,260,763.76 × 913,120.92
  4. Step 4: Simplify right side
    1,638,226.56x = 2,064,350,684,433.86
  5. Step 5: Solve for x
    x = 2,064,350,684,433.86/1,638,226.56
  6. Step 6: Final answer
    x = 1,260,113.06

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1.5x scale

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.