Home / 445,989.04-615,469.39-242,041.77

Finding the Fourth Proportional to 445,989.04, 615,469.39 and 242,041.77

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Solution

The fourth proportional to 445,989.04, 615,469.39 and 242,041.77 is: 334,020.09

Step by Step Solution

  1. Step 1: Write the proportion equation
    445,989.04 : 615,469.39 = 242,041.77 : x
  2. Step 2: Convert to fraction form
    445,989.04/615,469.39 = 242,041.77/x
  3. Step 3: Cross multiply
    445,989.04x = 615,469.39 × 242,041.77
  4. Step 4: Simplify right side
    445,989.04x = 148,969,299,931.32
  5. Step 5: Solve for x
    x = 148,969,299,931.32/445,989.04
  6. Step 6: Final answer
    x = 334,020.09

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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.