Home / 1,638,230.46-2,260,768.53-913,124.22

Finding the Fourth Proportional to 1,638,230.46, 2,260,768.53 and 913,124.22

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Solution

The fourth proportional to 1,638,230.46, 2,260,768.53 and 913,124.22 is: 1,260,117.27

Step by Step Solution

  1. Step 1: Write the proportion equation
    1,638,230.46 : 2,260,768.53 = 913,124.22 : x
  2. Step 2: Convert to fraction form
    1,638,230.46/2,260,768.53 = 913,124.22/x
  3. Step 3: Cross multiply
    1,638,230.46x = 2,260,768.53 × 913,124.22
  4. Step 4: Simplify right side
    1,638,230.46x = 2,064,362,500,556.80
  5. Step 5: Solve for x
    x = 2,064,362,500,556.80/1,638,230.46
  6. Step 6: Final answer
    x = 1,260,117.27

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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.