Home / 722,074.28-996,629.81-480,367.04

Finding the Fourth Proportional to 722,074.28, 996,629.81 and 480,367.04

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Solution

The fourth proportional to 722,074.28, 996,629.81 and 480,367.04 is: 663,017.81

Step by Step Solution

  1. Step 1: Write the proportion equation
    722,074.28 : 996,629.81 = 480,367.04 : x
  2. Step 2: Convert to fraction form
    722,074.28/996,629.81 = 480,367.04/x
  3. Step 3: Cross multiply
    722,074.28x = 996,629.81 × 480,367.04
  4. Step 4: Simplify right side
    722,074.28x = 478,748,104,420.48
  5. Step 5: Solve for x
    x = 478,748,104,420.48/722,074.28
  6. Step 6: Final answer
    x = 663,017.81

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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.