Home / 400,925.96-553,278.50-219,633.92

Finding the Fourth Proportional to 400,925.96, 553,278.50 and 219,633.92

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Solution

The fourth proportional to 400,925.96, 553,278.50 and 219,633.92 is: 303,095.18

Step by Step Solution

  1. Step 1: Write the proportion equation
    400,925.96 : 553,278.50 = 219,633.92 : x
  2. Step 2: Convert to fraction form
    400,925.96/553,278.50 = 219,633.92/x
  3. Step 3: Cross multiply
    400,925.96x = 553,278.50 × 219,633.92
  4. Step 4: Simplify right side
    400,925.96x = 121,518,725,806.72
  5. Step 5: Solve for x
    x = 121,518,725,806.72/400,925.96
  6. Step 6: Final answer
    x = 303,095.18

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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.