Home / 400,913.56-553,260.93-219,632.05

Finding the Fourth Proportional to 400,913.56, 553,260.93 and 219,632.05

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Solution

The fourth proportional to 400,913.56, 553,260.93 and 219,632.05 is: 303,092.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,913.56 : 553,260.93 = 219,632.05 : x
  2. Step 2: Convert to fraction form
    400,913.56/553,260.93 = 219,632.05/x
  3. Step 3: Cross multiply
    400,913.56x = 553,260.93 × 219,632.05
  4. Step 4: Simplify right side
    400,913.56x = 121,513,829,474.50
  5. Step 5: Solve for x
    x = 121,513,829,474.50/400,913.56
  6. Step 6: Final answer
    x = 303,092.34

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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.