Home / 400,833.40-553,150.58-217,072.28

Finding the Fourth Proportional to 400,833.40, 553,150.58 and 217,072.28

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Solution

The fourth proportional to 400,833.40, 553,150.58 and 217,072.28 is: 299,560.01

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,833.40 : 553,150.58 = 217,072.28 : x
  2. Step 2: Convert to fraction form
    400,833.40/553,150.58 = 217,072.28/x
  3. Step 3: Cross multiply
    400,833.40x = 553,150.58 × 217,072.28
  4. Step 4: Simplify right side
    400,833.40x = 120,073,657,583.92
  5. Step 5: Solve for x
    x = 120,073,657,583.92/400,833.40
  6. Step 6: Final answer
    x = 299,560.01

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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.