Home / 401,087.70-553,752.69-258,096.24

Finding the Fourth Proportional to 401,087.70, 553,752.69 and 258,096.24

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Solution

The fourth proportional to 401,087.70, 553,752.69 and 258,096.24 is: 356,334.75

Step by Step Solution

  1. Step 1: Write the proportion equation
    401,087.70 : 553,752.69 = 258,096.24 : x
  2. Step 2: Convert to fraction form
    401,087.70/553,752.69 = 258,096.24/x
  3. Step 3: Cross multiply
    401,087.70x = 553,752.69 × 258,096.24
  4. Step 4: Simplify right side
    401,087.70x = 142,921,487,178.89
  5. Step 5: Solve for x
    x = 142,921,487,178.89/401,087.70
  6. Step 6: Final answer
    x = 356,334.75

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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.