Home / 808,544.10-1,211,795.55-409,295.10

Finding the Fourth Proportional to 808,544.10, 1,211,795.55 and 409,295.10

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Solution

The fourth proportional to 808,544.10, 1,211,795.55 and 409,295.10 is: 613,426.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    808,544.10 : 1,211,795.55 = 409,295.10 : x
  2. Step 2: Convert to fraction form
    808,544.10/1,211,795.55 = 409,295.10/x
  3. Step 3: Cross multiply
    808,544.10x = 1,211,795.55 × 409,295.10
  4. Step 4: Simplify right side
    808,544.10x = 495,981,980,816.81
  5. Step 5: Solve for x
    x = 495,981,980,816.81/808,544.10
  6. Step 6: Final answer
    x = 613,426.01

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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.