Home / 741,985.92-1,023,166.08-440,121.60

Finding the Fourth Proportional to 741,985.92, 1,023,166.08 and 440,121.60

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Solution

The fourth proportional to 741,985.92, 1,023,166.08 and 440,121.60 is: 606,908.41

Step by Step Solution

  1. Step 1: Write the proportion equation
    741,985.92 : 1,023,166.08 = 440,121.60 : x
  2. Step 2: Convert to fraction form
    741,985.92/1,023,166.08 = 440,121.60/x
  3. Step 3: Cross multiply
    741,985.92x = 1,023,166.08 × 440,121.60
  4. Step 4: Simplify right side
    741,985.92x = 450,317,492,195.33
  5. Step 5: Solve for x
    x = 450,317,492,195.33/741,985.92
  6. Step 6: Final answer
    x = 606,908.41

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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.