Home / 1,638,260.64-2,260,810.19-913,154.34

Finding the Fourth Proportional to 1,638,260.64, 2,260,810.19 and 913,154.34

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Solution

The fourth proportional to 1,638,260.64, 2,260,810.19 and 913,154.34 is: 1,260,158.85

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,260.64 : 2,260,810.19 = 913,154.34 : x
  2. Step 2: Convert to fraction form
    1,638,260.64/2,260,810.19 = 913,154.34/x
  3. Step 3: Cross multiply
    1,638,260.64x = 2,260,810.19 × 913,154.34
  4. Step 4: Simplify right side
    1,638,260.64x = 2,064,468,632,348.95
  5. Step 5: Solve for x
    x = 2,064,468,632,348.95/1,638,260.64
  6. Step 6: Final answer
    x = 1,260,158.85

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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.