Home / 808,882.08-1,212,302.40-409,623.36

Finding the Fourth Proportional to 808,882.08, 1,212,302.40 and 409,623.36

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Solution

The fourth proportional to 808,882.08, 1,212,302.40 and 409,623.36 is: 613,918.14

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,882.08 : 1,212,302.40 = 409,623.36 : x
  2. Step 2: Convert to fraction form
    808,882.08/1,212,302.40 = 409,623.36/x
  3. Step 3: Cross multiply
    808,882.08x = 1,212,302.40 × 409,623.36
  4. Step 4: Simplify right side
    808,882.08x = 496,587,382,424.06
  5. Step 5: Solve for x
    x = 496,587,382,424.06/808,882.08
  6. Step 6: Final answer
    x = 613,918.14

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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.