Home / 809,400.04-1,116,981.09-446,824.08

Finding the Fourth Proportional to 809,400.04, 1,116,981.09 and 446,824.08

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Solution

The fourth proportional to 809,400.04, 1,116,981.09 and 446,824.08 is: 616,622.22

Step by Step Solution

  1. Step 1: Write the proportion equation
    809,400.04 : 1,116,981.09 = 446,824.08 : x
  2. Step 2: Convert to fraction form
    809,400.04/1,116,981.09 = 446,824.08/x
  3. Step 3: Cross multiply
    809,400.04x = 1,116,981.09 × 446,824.08
  4. Step 4: Simplify right side
    809,400.04x = 499,094,047,916.65
  5. Step 5: Solve for x
    x = 499,094,047,916.65/809,400.04
  6. Step 6: Final answer
    x = 616,622.22

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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.