Home / 828,340.92-1,242,513.45-251,969.22

Finding the Fourth Proportional to 828,340.92, 1,242,513.45 and 251,969.22

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Solution

The fourth proportional to 828,340.92, 1,242,513.45 and 251,969.22 is: 377,954.46

Step by Step Solution

  1. Step 1: Write the proportion equation
    828,340.92 : 1,242,513.45 = 251,969.22 : x
  2. Step 2: Convert to fraction form
    828,340.92/1,242,513.45 = 251,969.22/x
  3. Step 3: Cross multiply
    828,340.92x = 1,242,513.45 × 251,969.22
  4. Step 4: Simplify right side
    828,340.92x = 313,075,144,836.01
  5. Step 5: Solve for x
    x = 313,075,144,836.01/828,340.92
  6. Step 6: Final answer
    x = 377,954.46

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Double scale
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1.5x scale

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.