Home / 808,545.10-1,211,797.05-409,296.10

Finding the Fourth Proportional to 808,545.10, 1,211,797.05 and 409,296.10

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Solution

The fourth proportional to 808,545.10, 1,211,797.05 and 409,296.10 is: 613,427.51

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,545.10 : 1,211,797.05 = 409,296.10 : x
  2. Step 2: Convert to fraction form
    808,545.10/1,211,797.05 = 409,296.10/x
  3. Step 3: Cross multiply
    808,545.10x = 1,211,797.05 × 409,296.10
  4. Step 4: Simplify right side
    808,545.10x = 495,983,806,556.51
  5. Step 5: Solve for x
    x = 495,983,806,556.51/808,545.10
  6. Step 6: Final answer
    x = 613,427.51

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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.