Home / 1,638,256.13-2,260,803.96-913,149.83

Finding the Fourth Proportional to 1,638,256.13, 2,260,803.96 and 913,149.83

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Solution

The fourth proportional to 1,638,256.13, 2,260,803.96 and 913,149.83 is: 1,260,152.61

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,256.13 : 2,260,803.96 = 913,149.83 : x
  2. Step 2: Convert to fraction form
    1,638,256.13/2,260,803.96 = 913,149.83/x
  3. Step 3: Cross multiply
    1,638,256.13x = 2,260,803.96 × 913,149.83
  4. Step 4: Simplify right side
    1,638,256.13x = 2,064,452,751,030.83
  5. Step 5: Solve for x
    x = 2,064,452,751,030.83/1,638,256.13
  6. Step 6: Final answer
    x = 1,260,152.61

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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.