Home / 401,160.04-553,661.83-256,028.45

Finding the Fourth Proportional to 401,160.04, 553,661.83 and 256,028.45

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Solution

The fourth proportional to 401,160.04, 553,661.83 and 256,028.45 is: 353,358.17

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,160.04 : 553,661.83 = 256,028.45 : x
  2. Step 2: Convert to fraction form
    401,160.04/553,661.83 = 256,028.45/x
  3. Step 3: Cross multiply
    401,160.04x = 553,661.83 × 256,028.45
  4. Step 4: Simplify right side
    401,160.04x = 141,753,177,710.79
  5. Step 5: Solve for x
    x = 141,753,177,710.79/401,160.04
  6. Step 6: Final answer
    x = 353,358.17

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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.